59391639616 has 63 divisors (see below), whose sum is σ = 120962717053. Its totient is φ = 28932538880.

The previous prime is 59391639547. The next prime is 59391639641. The reversal of 59391639616 is 61693619395.

The square root of 59391639616 is 243704.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 2861822016 + 56529817600 = 53496^2 + 237760^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 79934541 + ... + 79935283.

Almost surely, 2^59391639616 is an apocalyptic number.

59391639616 is the 243704-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 59391639616

59391639616 is an abundant number, since it is smaller than the sum of its proper divisors (61571077437).

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

59391639616 is an frugal number, since it uses more digits than its factorization.

59391639616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1580 (or 786 counting only the distinct ones).

The product of its digits is 7085880, while the sum is 58.

The spelling of 59391639616 in words is "fifty-nine billion, three hundred ninety-one million, six hundred thirty-nine thousand, six hundred sixteen".