16632266658 has 32 divisors (see below), whose sum is σ = 38825478144. Its totient is φ = 4650967632.

The previous prime is 16632266653. The next prime is 16632266663. The reversal of 16632266658 is 85666223661.

It is an interprime number because it is at equal distance from previous prime (16632266653) and next prime (16632266663).

It is a self number, because there is not a number n which added to its sum of digits gives 16632266658.

It is not an unprimeable number, because it can be changed into a prime (16632266653) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4210860 + ... + 4214807.

It is an arithmetic number, because the mean of its divisors is an integer number (1213296192).

Almost surely, 2^16632266658 is an apocalyptic number.

16632266658 is an abundant number, since it is smaller than the sum of its proper divisors (22193211486).

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

16632266658 is a wasteful number, since it uses less digits than its factorization.

16632266658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8425726.

The product of its digits is 3732480, while the sum is 51.

The spelling of 16632266658 in words is "sixteen billion, six hundred thirty-two million, two hundred sixty-six thousand, six hundred fifty-eight".