61016216264 has 96 divisors (see below), whose sum is σ = 127372089600. Its totient is φ = 27344486400.

The previous prime is 61016216251. The next prime is 61016216293. The reversal of 61016216264 is 46261261016.

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 23 ways as a sum of consecutive naturals, for example, 12706664 + ... + 12711464.

It is an arithmetic number, because the mean of its divisors is an integer number (1326792600).

Almost surely, 2^61016216264 is an apocalyptic number.

It is an amenable number.

61016216264 is an abundant number, since it is smaller than the sum of its proper divisors (66355873336).

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

61016216264 is a wasteful number, since it uses less digits than its factorization.

61016216264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5103 (or 5082 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 35.

The spelling of 61016216264 in words is "sixty-one billion, sixteen million, two hundred sixteen thousand, two hundred sixty-four".