167426928972 has 18 divisors (see below), whose sum is σ = 423218070548. Its totient is φ = 55808976312.

The previous prime is 167426928971. The next prime is 167426928979. The reversal of 167426928972 is 279829624761.

167426928972 is a `hidden beast` number, since 1 + 67 + 426 + 9 + 2 + 89 + 72 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (167426928971) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2325373978 + ... + 2325374049.

Almost surely, 2^167426928972 is an apocalyptic number.

167426928972 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

167426928972 is an abundant number, since it is smaller than the sum of its proper divisors (255791141576).

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

167426928972 is a wasteful number, since it uses less digits than its factorization.

167426928972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4650748037 (or 4650748032 counting only the distinct ones).

The product of its digits is 36578304, while the sum is 63.

The spelling of 167426928972 in words is "one hundred sixty-seven billion, four hundred twenty-six million, nine hundred twenty-eight thousand, nine hundred seventy-two".