285146164656 has 60 divisors (see below), whose sum is σ = 823755599680. Its totient is φ = 91982632320.

The previous prime is 285146164649. The next prime is 285146164691. The reversal of 285146164656 is 656461641582.

285146164656 is a `hidden beast` number, since 2 + 8 + 5 + 14 + 616 + 4 + 6 + 5 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31933951 + ... + 31942878.

Almost surely, 2^285146164656 is an apocalyptic number.

It is an amenable number.

285146164656 is an abundant number, since it is smaller than the sum of its proper divisors (538609435024).

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

285146164656 is a wasteful number, since it uses less digits than its factorization.

285146164656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63876874 (or 63876865 counting only the distinct ones).

The product of its digits is 8294400, while the sum is 54.

The spelling of 285146164656 in words is "two hundred eighty-five billion, one hundred forty-six million, one hundred sixty-four thousand, six hundred fifty-six".