16630687854 has 40 divisors (see below), whose sum is σ = 40652796888. Its totient is φ = 5039601840.

The previous prime is 16630687817. The next prime is 16630687861. The reversal of 16630687854 is 45878603661.

It is a super-3 number, since 3×16630687854³ (a number of 32 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 16630687854.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4664517 + ... + 4668080.

Almost surely, 2^16630687854 is an apocalyptic number.

16630687854 is an abundant number, since it is smaller than the sum of its proper divisors (24022109034).

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

16630687854 is a wasteful number, since it uses less digits than its factorization.

16630687854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9332622 (or 9332613 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 54.

The spelling of 16630687854 in words is "sixteen billion, six hundred thirty million, six hundred eighty-seven thousand, eight hundred fifty-four".