156264461812 has 12 divisors (see below), whose sum is σ = 273481603780. Its totient is φ = 78126860736.

The previous prime is 156264461777. The next prime is 156264461813. The reversal of 156264461812 is 218164462651.

It can be written as a sum of positive squares in 2 ways, for example, as 12808354276 + 143456107536 = 113174^2 + 378756^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156264461813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1276713 + ... + 1393744.

Almost surely, 2^156264461812 is an apocalyptic number.

It is an amenable number.

156264461812 is a deficient number, since it is larger than the sum of its proper divisors (117217141968).

156264461812 is a wasteful number, since it uses less digits than its factorization.

156264461812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2685090 (or 2685088 counting only the distinct ones).

The product of its digits is 552960, while the sum is 46.

The spelling of 156264461812 in words is "one hundred fifty-six billion, two hundred sixty-four million, four hundred sixty-one thousand, eight hundred twelve".