16155706488 has 32 divisors (see below), whose sum is σ = 40843083600. Its totient is φ = 5324726528.

The previous prime is 16155706487. The next prime is 16155706499. The reversal of 16155706488 is 88460755161.

It is a super-2 number, since 2×16155706488² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16155706488.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16155706481) 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, 3779631 + ... + 3783902.

Almost surely, 2^16155706488 is an apocalyptic number.

It is an amenable number.

16155706488 is an abundant number, since it is smaller than the sum of its proper divisors (24687377112).

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

16155706488 is a wasteful number, since it uses less digits than its factorization.

16155706488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7563631 (or 7563627 counting only the distinct ones).

The product of its (nonzero) digits is 1612800, while the sum is 51.

The spelling of 16155706488 in words is "sixteen billion, one hundred fifty-five million, seven hundred six thousand, four hundred eighty-eight".