16457995445472 has 72 divisors (see below), whose sum is σ = 53488485204336. Its totient is φ = 4702284412416.

The previous prime is 16457995445459. The next prime is 16457995445491. The reversal of 16457995445472 is 27454459975461.

It is a happy number.

16457995445472 is a `hidden beast` number, since 1 + 6 + 4 + 5 + 7 + 9 + 9 + 544 + 5 + 4 + 72 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×16457995445472² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a self number, because there is not a number n which added to its sum of digits gives 16457995445472.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4081842093 + ... + 4081846124.

It is an arithmetic number, because the mean of its divisors is an integer number (742895627838).

Almost surely, 2^{16457995445472} is an apocalyptic number.

16457995445472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16457995445472 is an abundant number, since it is smaller than the sum of its proper divisors (37030489758864).

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

16457995445472 is a wasteful number, since it uses less digits than its factorization.

16457995445472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8163688240 (or 8163688229 counting only the distinct ones).

The product of its digits is 1524096000, while the sum is 72.

The spelling of 16457995445472 in words is "sixteen trillion, four hundred fifty-seven billion, nine hundred ninety-five million, four hundred forty-five thousand, four hundred seventy-two".