156740860893 has 16 divisors (see below), whose sum is σ = 217823830016. Its totient is φ = 100141351920.

The previous prime is 156740860891. The next prime is 156740860919. The reversal of 156740860893 is 398068047651.

It is not a de Polignac number, because 156740860893 - 2¹ = 156740860891 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156740860891) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8171905 + ... + 8191062.

It is an arithmetic number, because the mean of its divisors is an integer number (13613989376).

Almost surely, 2^156740860893 is an apocalyptic number.

It is an amenable number.

156740860893 is a deficient number, since it is larger than the sum of its proper divisors (61082969123).

156740860893 is a wasteful number, since it uses less digits than its factorization.

156740860893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16363104.

The product of its (nonzero) digits is 8709120, while the sum is 57.

The spelling of 156740860893 in words is "one hundred fifty-six billion, seven hundred forty million, eight hundred sixty thousand, eight hundred ninety-three".