16611230620 has 24 divisors (see below), whose sum is σ = 34894836144. Its totient is φ = 6642349056.

The previous prime is 16611230617. The next prime is 16611230651. The reversal of 16611230620 is 2603211661.

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, 69642 + ... + 195121.

It is an arithmetic number, because the mean of its divisors is an integer number (1453951506).

Almost surely, 2^16611230620 is an apocalyptic number.

16611230620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16611230620 is an abundant number, since it is smaller than the sum of its proper divisors (18283605524).

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

16611230620 is a wasteful number, since it uses less digits than its factorization.

16611230620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267909 (or 267907 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The spelling of 16611230620 in words is "sixteen billion, six hundred eleven million, two hundred thirty thousand, six hundred twenty".