155163006 has 64 divisors (see below), whose sum is σ = 371500800. Its totient is φ = 47845728.

The previous prime is 155162999. The next prime is 155163007. The reversal of 155163006 is 600361551.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155163007) 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, 42360 + ... + 45876.

It is an arithmetic number, because the mean of its divisors is an integer number (5804700).

Almost surely, 2^155163006 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 155163006, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (185750400).

155163006 is an abundant number, since it is smaller than the sum of its proper divisors (216337794).

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

155163006 is a wasteful number, since it uses less digits than its factorization.

155163006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3590 (or 3584 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 155163006 is about 12456.4443562359. Note that the first 3 decimals coincide. The cubic root of 155163006 is about 537.3567742416.

The spelling of 155163006 in words is "one hundred fifty-five million, one hundred sixty-three thousand, six".