60666733920 has 96 divisors (see below), whose sum is σ = 205800249312. Its totient is φ = 14933348352.

The previous prime is 60666733871. The next prime is 60666733991. The reversal of 60666733920 is 2933766606.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 60666733920.

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, 4854877 + ... + 4867356.

It is an arithmetic number, because the mean of its divisors is an integer number (2143752597).

Almost surely, 2^60666733920 is an apocalyptic number.

60666733920 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

60666733920 is an abundant number, since it is smaller than the sum of its proper divisors (145133515392).

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

60666733920 is a wasteful number, since it uses less digits than its factorization.

60666733920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9722264 (or 9722256 counting only the distinct ones).

The product of its (nonzero) digits is 1469664, while the sum is 48.

The spelling of 60666733920 in words is "sixty billion, six hundred sixty-six million, seven hundred thirty-three thousand, nine hundred twenty".