73951148664 has 40 divisors (see below), whose sum is σ = 207131691360. Its totient is φ = 24650382672.

The previous prime is 73951148653. The next prime is 73951148669. The reversal of 73951148664 is 46684115937.

73951148664 is a `hidden beast` number, since 7 + 3 + 95 + 11 + 486 + 64 = 666.

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 73951148664.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73951148669) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 57060424 + ... + 57061719.

It is an arithmetic number, because the mean of its divisors is an integer number (5178292284).

Almost surely, 2^73951148664 is an apocalyptic number.

It is an amenable number.

73951148664 is an abundant number, since it is smaller than the sum of its proper divisors (133180542696).

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

73951148664 is a wasteful number, since it uses less digits than its factorization.

73951148664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114122161 (or 114122148 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 54.

The spelling of 73951148664 in words is "seventy-three billion, nine hundred fifty-one million, one hundred forty-eight thousand, six hundred sixty-four".