16672615515351 has 24 divisors (see below), whose sum is σ = 24672712165920. Its totient is φ = 10842806937600.

The previous prime is 16672615515317. The next prime is 16672615515467. The reversal of 16672615515351 is 15351551627661.

16672615515351 is a `hidden beast` number, since 1 + 6 + 6 + 7 + 2 + 615 + 5 + 15 + 3 + 5 + 1 = 666.

It is not a de Polignac number, because 16672615515351 - 2¹⁷ = 16672615384279 is a prime.

It is a super-2 number, since 2×16672615515351² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16672615514351) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 990510 + ... + 5858868.

It is an arithmetic number, because the mean of its divisors is an integer number (1028029673580).

Almost surely, 2^{16672615515351} is an apocalyptic number.

16672615515351 is a deficient number, since it is larger than the sum of its proper divisors (8000096650569).

16672615515351 is a wasteful number, since it uses less digits than its factorization.

16672615515351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4877687 (or 4877684 counting only the distinct ones).

The product of its digits is 5670000, while the sum is 54.

The spelling of 16672615515351 in words is "sixteen trillion, six hundred seventy-two billion, six hundred fifteen million, five hundred fifteen thousand, three hundred fifty-one".