167252546640 has 160 divisors (see below), whose sum is σ = 535700570112. Its totient is φ = 43122240000.

The previous prime is 167252546623. The next prime is 167252546707. The reversal of 167252546640 is 46645252761.

167252546640 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 167252546640.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8553675 + ... + 8573205.

Almost surely, 2^167252546640 is an apocalyptic number.

167252546640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 167252546640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (267850285056).

167252546640 is an abundant number, since it is smaller than the sum of its proper divisors (368448023472).

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

167252546640 is a wasteful number, since it uses less digits than its factorization.

167252546640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20729 (or 20723 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 48.

The spelling of 167252546640 in words is "one hundred sixty-seven billion, two hundred fifty-two million, five hundred forty-six thousand, six hundred forty".