60971393920 has 128 divisors (see below), whose sum is σ = 146870599680. Its totient is φ = 24203520000.

The previous prime is 60971393897. The next prime is 60971393939. The reversal of 60971393920 is 2939317906.

It is a tau number, because it is divible by the number of its divisors (128).

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, 61524625 + ... + 61525615.

It is an arithmetic number, because the mean of its divisors is an integer number (1147426560).

Almost surely, 2^60971393920 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 60971393920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73435299840).

60971393920 is an abundant number, since it is smaller than the sum of its proper divisors (85899205760).

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

60971393920 is a wasteful number, since it uses less digits than its factorization.

60971393920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1644 (or 1632 counting only the distinct ones).

The product of its (nonzero) digits is 551124, while the sum is 49.

The spelling of 60971393920 in words is "sixty billion, nine hundred seventy-one million, three hundred ninety-three thousand, nine hundred twenty".