156801738 has 16 divisors (see below), whose sum is σ = 316380096. Its totient is φ = 51804480.

The previous prime is 156801721. The next prime is 156801773. The reversal of 156801738 is 837108651.

It is a junction number, because it is equal to n+sod(n) for n = 156801696 and 156801705.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114958 + ... + 116313.

It is an arithmetic number, because the mean of its divisors is an integer number (19773756).

Almost surely, 2^156801738 is an apocalyptic number.

156801738 is an abundant number, since it is smaller than the sum of its proper divisors (159578358).

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

156801738 is a wasteful number, since it uses less digits than its factorization.

156801738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231389.

The product of its (nonzero) digits is 40320, while the sum is 39.

The square root of 156801738 is about 12522.0500717734. The cubic root of 156801738 is about 539.2418922925.

The spelling of 156801738 in words is "one hundred fifty-six million, eight hundred one thousand, seven hundred thirty-eight".