15667663020 has 48 divisors (see below), whose sum is σ = 45776828160. Its totient is φ = 3996389056.

The previous prime is 15667663013. The next prime is 15667663021. The reversal of 15667663020 is 2036676651.

It is not an unprimeable number, because it can be changed into a prime (15667663021) 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, 5675310 + ... + 5678069.

It is an arithmetic number, because the mean of its divisors is an integer number (953683920).

Almost surely, 2^15667663020 is an apocalyptic number.

15667663020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15667663020 is an abundant number, since it is smaller than the sum of its proper divisors (30109165140).

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

15667663020 is a wasteful number, since it uses less digits than its factorization.

15667663020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11353414 (or 11353412 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 42.

The spelling of 15667663020 in words is "fifteen billion, six hundred sixty-seven million, six hundred sixty-three thousand, twenty".