61590750960 has 80 divisors (see below), whose sum is σ = 191306818080. Its totient is φ = 16391900160.

The previous prime is 61590750959. The next prime is 61590750979. The reversal of 61590750960 is 6905709516.

It is a tau number, because it is divible by the number of its divisors (80).

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129931 + ... + 374250.

It is an arithmetic number, because the mean of its divisors is an integer number (2391335226).

Almost surely, 2^61590750960 is an apocalyptic number.

61590750960 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

61590750960 is an abundant number, since it is smaller than the sum of its proper divisors (129716067120).

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

61590750960 is a wasteful number, since it uses less digits than its factorization.

61590750960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504706 (or 504700 counting only the distinct ones).

The product of its (nonzero) digits is 510300, while the sum is 48.

The spelling of 61590750960 in words is "sixty-one billion, five hundred ninety million, seven hundred fifty thousand, nine hundred sixty".