164796940 has 96 divisors (see below), whose sum is σ = 435746304. Its totient is φ = 50856960.

The previous prime is 164796883. The next prime is 164796949. The reversal of 164796940 is 49697461.

It is not an unprimeable number, because it can be changed into a prime (164796949) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 173547 + ... + 174493.

It is an arithmetic number, because the mean of its divisors is an integer number (4539024).

Almost surely, 2^164796940 is an apocalyptic number.

164796940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 164796940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (217873152).

164796940 is an abundant number, since it is smaller than the sum of its proper divisors (270949364).

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

164796940 is a wasteful number, since it uses less digits than its factorization.

164796940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1087 (or 1085 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 46.

The square root of 164796940 is about 12837.3260455595. The cubic root of 164796940 is about 548.2555639273.

The spelling of 164796940 in words is "one hundred sixty-four million, seven hundred ninety-six thousand, nine hundred forty".