16631554662 has 16 divisors (see below), whose sum is σ = 36959010480. Its totient is φ = 5543851536.

The previous prime is 16631554609. The next prime is 16631554717. The reversal of 16631554662 is 26645513661.

16631554662 is a `hidden beast` number, since 1 + 6 + 6 + 31 + 554 + 6 + 62 = 666.

It is a super-2 number, since 2×16631554662² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153995823 + ... + 153995930.

It is an arithmetic number, because the mean of its divisors is an integer number (2309938155).

Almost surely, 2^16631554662 is an apocalyptic number.

16631554662 is an abundant number, since it is smaller than the sum of its proper divisors (20327455818).

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

16631554662 is a wasteful number, since it uses less digits than its factorization.

16631554662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307991764 (or 307991758 counting only the distinct ones).

The product of its digits is 777600, while the sum is 45.

The spelling of 16631554662 in words is "sixteen billion, six hundred thirty-one million, five hundred fifty-four thousand, six hundred sixty-two".