16118264020 has 24 divisors (see below), whose sum is σ = 33963890184. Its totient is φ = 6425298816.

The previous prime is 16118263999. The next prime is 16118264023. The reversal of 16118264020 is 2046281161.

It can be written as a sum of positive squares in 4 ways, for example, as 7491941136 + 8626322884 = 86556^2 + 92878^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16118264023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1369419 + ... + 1381138.

It is an arithmetic number, because the mean of its divisors is an integer number (1415162091).

Almost surely, 2^16118264020 is an apocalyptic number.

16118264020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16118264020 is an abundant number, since it is smaller than the sum of its proper divisors (17845626164).

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

16118264020 is a wasteful number, since it uses less digits than its factorization.

16118264020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2750859 (or 2750857 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 31.

The spelling of 16118264020 in words is "sixteen billion, one hundred eighteen million, two hundred sixty-four thousand, twenty".