16451373174072 has 64 divisors (see below), whose sum is σ = 41240144200320. Its totient is φ = 5468909701248.

The previous prime is 16451373174001. The next prime is 16451373174091. The reversal of 16451373174072 is 27047137315461.

It is a super-2 number, since 2×16451373174072² (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 15 ways as a sum of consecutive naturals, for example, 19160278 + ... + 20000474.

It is an arithmetic number, because the mean of its divisors is an integer number (644377253130).

Almost surely, 2^{16451373174072} is an apocalyptic number.

16451373174072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16451373174072 is an abundant number, since it is smaller than the sum of its proper divisors (24788771026248).

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

16451373174072 is a wasteful number, since it uses less digits than its factorization.

16451373174072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 842420 (or 842416 counting only the distinct ones).

The product of its (nonzero) digits is 2963520, while the sum is 51.

The spelling of 16451373174072 in words is "sixteen trillion, four hundred fifty-one billion, three hundred seventy-three million, one hundred seventy-four thousand, seventy-two".