16107819940 has 24 divisors (see below), whose sum is σ = 35816212152. Its totient is φ = 6064120320.

The previous prime is 16107819899. The next prime is 16107819953. The reversal of 16107819940 is 4991870161.

It can be written as a sum of positive squares in 4 ways, for example, as 1941107364 + 14166712576 = 44058^2 + 119024^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23687631 + ... + 23688310.

It is an arithmetic number, because the mean of its divisors is an integer number (1492342173).

Almost surely, 2^16107819940 is an apocalyptic number.

16107819940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16107819940 is an abundant number, since it is smaller than the sum of its proper divisors (19708392212).

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

16107819940 is a wasteful number, since it uses less digits than its factorization.

16107819940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47375967 (or 47375965 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 46.

The spelling of 16107819940 in words is "sixteen billion, one hundred seven million, eight hundred nineteen thousand, nine hundred forty".