16630533162538 has 4 divisors (see below), whose sum is σ = 24945799743810. Its totient is φ = 8315266581268.

The previous prime is 16630533162527. The next prime is 16630533162563. The reversal of 16630533162538 is 83526133503661.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 16562645296729 + 67887865809 = 4069723^2 + 260553^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4157633290633 + ... + 4157633290636.

Almost surely, 2^{16630533162538} is an apocalyptic number.

16630533162538 is a deficient number, since it is larger than the sum of its proper divisors (8315266581272).

16630533162538 is an equidigital number, since it uses as much as digits as its factorization.

16630533162538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8315266581271.

The product of its (nonzero) digits is 6998400, while the sum is 52.

The spelling of 16630533162538 in words is "sixteen trillion, six hundred thirty billion, five hundred thirty-three million, one hundred sixty-two thousand, five hundred thirty-eight".