16630887870 has 64 divisors (see below), whose sum is σ = 44367912000. Its totient is φ = 4433015808.

The previous prime is 16630887859. The next prime is 16630887907. The reversal of 16630887870 is 7878803661.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 692626 + ... + 716234.

It is an arithmetic number, because the mean of its divisors is an integer number (693248625).

Almost surely, 2^16630887870 is an apocalyptic number.

16630887870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16630887870 is an abundant number, since it is smaller than the sum of its proper divisors (27737024130).

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

16630887870 is a wasteful number, since it uses less digits than its factorization.

16630887870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26234 (or 26228 counting only the distinct ones).

The product of its (nonzero) digits is 2709504, while the sum is 54.

The spelling of 16630887870 in words is "sixteen billion, six hundred thirty million, eight hundred eighty-seven thousand, eight hundred seventy".