146195642664 has 64 divisors (see below), whose sum is σ = 408788496000. Its totient is φ = 48409142400.

The previous prime is 146195642627. The next prime is 146195642687. The reversal of 146195642664 is 466246591641.

146195642664 is a `hidden beast` number, since 1 + 4 + 6 + 19 + 564 + 2 + 6 + 64 = 666.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

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

It is a self number, because there is not a number n which added to its sum of digits gives 146195642664.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2208549 + ... + 2273780.

It is an arithmetic number, because the mean of its divisors is an integer number (6387320250).

Almost surely, 2^146195642664 is an apocalyptic number.

It is an amenable number.

146195642664 is an abundant number, since it is smaller than the sum of its proper divisors (262592853336).

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

146195642664 is a wasteful number, since it uses less digits than its factorization.

146195642664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4482495 (or 4482485 counting only the distinct ones).

The product of its digits is 7464960, while the sum is 54.

The spelling of 146195642664 in words is "one hundred forty-six billion, one hundred ninety-five million, six hundred forty-two thousand, six hundred sixty-four".