61632812514 has 64 divisors (see below), whose sum is σ = 151777704960. Its totient is φ = 16247718720.

The previous prime is 61632812497. The next prime is 61632812551. The reversal of 61632812514 is 41521823616.

61632812514 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1292997 + ... + 1339815.

It is an arithmetic number, because the mean of its divisors is an integer number (2371526640).

Almost surely, 2^61632812514 is an apocalyptic number.

61632812514 is an abundant number, since it is smaller than the sum of its proper divisors (90144892446).

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

61632812514 is a wasteful number, since it uses less digits than its factorization.

61632812514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49255.

The product of its digits is 69120, while the sum is 39.

The spelling of 61632812514 in words is "sixty-one billion, six hundred thirty-two million, eight hundred twelve thousand, five hundred fourteen".