61630151304 has 64 divisors (see below), whose sum is σ = 156275461440. Its totient is φ = 20250362880.

The previous prime is 61630151257. The next prime is 61630151309. The reversal of 61630151304 is 40315103616.

61630151304 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (61630151309) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3374004 + ... + 3392220.

It is an arithmetic number, because the mean of its divisors is an integer number (2441804085).

Almost surely, 2^61630151304 is an apocalyptic number.

It is an amenable number.

61630151304 is an abundant number, since it is smaller than the sum of its proper divisors (94645310136).

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

61630151304 is a wasteful number, since it uses less digits than its factorization.

61630151304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20230 (or 20226 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 30.

The spelling of 61630151304 in words is "sixty-one billion, six hundred thirty million, one hundred fifty-one thousand, three hundred four".