167542804920 has 32 divisors (see below), whose sum is σ = 502628415120. Its totient is φ = 44678081280.

The previous prime is 167542804909. The next prime is 167542804931. The reversal of 167542804920 is 29408245761.

It is an interprime number because it is at equal distance from previous prime (167542804909) and next prime (167542804931).

It is a super-2 number, since 2×167542804920² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 167542804920.

It is a congruent number.

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, 698094901 + ... + 698095140.

Almost surely, 2^167542804920 is an apocalyptic number.

167542804920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

167542804920 is an abundant number, since it is smaller than the sum of its proper divisors (335085610200).

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

167542804920 is a wasteful number, since it uses less digits than its factorization.

167542804920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1396190055 (or 1396190051 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 48.

The spelling of 167542804920 in words is "one hundred sixty-seven billion, five hundred forty-two million, eight hundred four thousand, nine hundred twenty".