65733385464 has 64 divisors (see below), whose sum is σ = 187046244000. Its totient is φ = 21376707840.

The previous prime is 65733385453. The next prime is 65733385477. The reversal of 65733385464 is 46458333756.

65733385464 is a `hidden beast` number, since 6 + 5 + 73 + 33 + 85 + 464 = 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 65733385464.

It is a congruent number.

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, 3702379 + ... + 3720090.

Almost surely, 2^65733385464 is an apocalyptic number.

It is an amenable number.

65733385464 is an abundant number, since it is smaller than the sum of its proper divisors (121312858536).

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

65733385464 is a wasteful number, since it uses less digits than its factorization.

65733385464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7422525 (or 7422515 counting only the distinct ones).

The product of its digits is 21772800, while the sum is 54.

The spelling of 65733385464 in words is "sixty-five billion, seven hundred thirty-three million, three hundred eighty-five thousand, four hundred sixty-four".