84557168406 has 32 divisors (see below), whose sum is σ = 188849088000. Its totient is φ = 28044082440.

The previous prime is 84557168357. The next prime is 84557168407. The reversal of 84557168406 is 60486175548.

84557168406 is a `hidden beast` number, since 8 + 4 + 5 + 571 + 68 + 4 + 0 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84557168407) 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, 3923610 + ... + 3945101.

It is an arithmetic number, because the mean of its divisors is an integer number (5901534000).

Almost surely, 2^84557168406 is an apocalyptic number.

84557168406 is an abundant number, since it is smaller than the sum of its proper divisors (104291919594).

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

84557168406 is a wasteful number, since it uses less digits than its factorization.

84557168406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7868921 (or 7868915 counting only the distinct ones).

The product of its (nonzero) digits is 6451200, while the sum is 54.

The spelling of 84557168406 in words is "eighty-four billion, five hundred fifty-seven million, one hundred sixty-eight thousand, four hundred six".