155916464536 has 40 divisors (see below), whose sum is σ = 341047015020. Its totient is φ = 66821333712.

The previous prime is 155916464527. The next prime is 155916464567. The reversal of 155916464536 is 635464619551.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 4039426 + ... + 4077841.

Almost surely, 2^155916464536 is an apocalyptic number.

It is an amenable number.

155916464536 is an abundant number, since it is smaller than the sum of its proper divisors (185130550484).

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

155916464536 is an frugal number, since it uses more digits than its factorization.

155916464536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8117301 (or 8117276 counting only the distinct ones).

The product of its digits is 11664000, while the sum is 55.

The spelling of 155916464536 in words is "one hundred fifty-five billion, nine hundred sixteen million, four hundred sixty-four thousand, five hundred thirty-six".