16127121264 has 80 divisors (see below), whose sum is σ = 46434170880. Its totient is φ = 4793195520.

The previous prime is 16127121259. The next prime is 16127121277. The reversal of 16127121264 is 46212172161.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 504592 + ... + 535599.

It is an arithmetic number, because the mean of its divisors is an integer number (580427136).

Almost surely, 2^16127121264 is an apocalyptic number.

It is an amenable number.

16127121264 is an abundant number, since it is smaller than the sum of its proper divisors (30307049616).

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

16127121264 is a wasteful number, since it uses less digits than its factorization.

16127121264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1040238 (or 1040232 counting only the distinct ones).

The product of its digits is 8064, while the sum is 33.

The spelling of 16127121264 in words is "sixteen billion, one hundred twenty-seven million, one hundred twenty-one thousand, two hundred sixty-four".