156992 has 28 divisors (see below), whose sum is σ = 341376. Its totient is φ = 71040.

The previous prime is 156979. The next prime is 157007. The reversal of 156992 is 299651.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 156992.

It is an unprimeable number.

156992 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 593 + ... + 815.

It is an arithmetic number, because the mean of its divisors is an integer number (12192).

2¹⁵⁶⁹⁹² is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 156992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170688).

156992 is an abundant number, since it is smaller than the sum of its proper divisors (184384).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

156992 is a wasteful number, since it uses less digits than its factorization.

156992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246 (or 236 counting only the distinct ones).

The product of its digits is 4860, while the sum is 32.

The square root of 156992 is about 396.2221599053. Note that the first 3 decimals coincide. The cubic root of 156992 is about 53.9459908099.

It can be divided in two parts, 1569 and 92, that added together give a palindrome (1661).

The spelling of 156992 in words is "one hundred fifty-six thousand, nine hundred ninety-two".