156104681 has 8 divisors (see below), whose sum is σ = 157306464. Its totient is φ = 154908000.

The previous prime is 156104633. The next prime is 156104713. The reversal of 156104681 is 186401651.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 156104681 - 2¹⁴ = 156088297 is a prime.

It is a super-2 number, since 2×156104681² = 48737342860223522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (156104621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77570 + ... + 79556.

It is an arithmetic number, because the mean of its divisors is an integer number (19663308).

Almost surely, 2^156104681 is an apocalyptic number.

It is an amenable number.

156104681 is a deficient number, since it is larger than the sum of its proper divisors (1201783).

156104681 is a wasteful number, since it uses less digits than its factorization.

156104681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2551.

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 156104681 is about 12494.1858878440. The cubic root of 156104681 is about 538.4416445591.

The spelling of 156104681 in words is "one hundred fifty-six million, one hundred four thousand, six hundred eighty-one".