16454999137488 has 160 divisors (see below), whose sum is σ = 42812644815360. Its totient is φ = 5445955008000.

The previous prime is 16454999137471. The next prime is 16454999137513. The reversal of 16454999137488 is 88473199945461.

It is a super-2 number, since 2×16454999137488² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10163679943 + ... + 10163681561.

It is an arithmetic number, because the mean of its divisors is an integer number (267579030096).

Almost surely, 2^{16454999137488} is an apocalyptic number.

It is an amenable number.

16454999137488 is an abundant number, since it is smaller than the sum of its proper divisors (26357645677872).

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

16454999137488 is a wasteful number, since it uses less digits than its factorization.

16454999137488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4017 (or 4011 counting only the distinct ones).

The product of its digits is 1881169920, while the sum is 78.

The spelling of 16454999137488 in words is "sixteen trillion, four hundred fifty-four billion, nine hundred ninety-nine million, one hundred thirty-seven thousand, four hundred eighty-eight".