61417487264 has 24 divisors (see below), whose sum is σ = 138189346848. Its totient is φ = 26321780160.

The previous prime is 61417487231. The next prime is 61417487269. The reversal of 61417487264 is 46278471416.

It is not an unprimeable number, because it can be changed into a prime (61417487269) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 137092382 + ... + 137092829.

It is an arithmetic number, because the mean of its divisors is an integer number (5757889452).

Almost surely, 2^61417487264 is an apocalyptic number.

It is an amenable number.

61417487264 is an abundant number, since it is smaller than the sum of its proper divisors (76771859584).

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

61417487264 is a wasteful number, since it uses less digits than its factorization.

61417487264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274185228 (or 274185220 counting only the distinct ones).

The product of its digits is 1806336, while the sum is 50.

The spelling of 61417487264 in words is "sixty-one billion, four hundred seventeen million, four hundred eighty-seven thousand, two hundred sixty-four".