164559156 has 24 divisors (see below), whose sum is σ = 385472640. Its totient is φ = 54638592.

The previous prime is 164559149. The next prime is 164559163. The reversal of 164559156 is 651955461.

It is an interprime number because it is at equal distance from previous prime (164559149) and next prime (164559163).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23596 + ... + 29763.

It is an arithmetic number, because the mean of its divisors is an integer number (16061360).

Almost surely, 2^164559156 is an apocalyptic number.

It is an amenable number.

164559156 is an abundant number, since it is smaller than the sum of its proper divisors (220913484).

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

164559156 is a wasteful number, since it uses less digits than its factorization.

164559156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53623 (or 53621 counting only the distinct ones).

The product of its digits is 162000, while the sum is 42.

The square root of 164559156 is about 12828.0612720707. The cubic root of 164559156 is about 547.9917460174.

The spelling of 164559156 in words is "one hundred sixty-four million, five hundred fifty-nine thousand, one hundred fifty-six".