61288016960 has 56 divisors (see below), whose sum is σ = 149336126016. Its totient is φ = 23945080320.

The previous prime is 61288016953. The next prime is 61288016963. The reversal of 61288016960 is 6961088216.

It is not an unprimeable number, because it can be changed into a prime (61288016963) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2213276 + ... + 2240795.

It is an arithmetic number, because the mean of its divisors is an integer number (2666716536).

Almost surely, 2^61288016960 is an apocalyptic number.

It is an amenable number.

61288016960 is an abundant number, since it is smaller than the sum of its proper divisors (88048109056).

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

61288016960 is a wasteful number, since it uses less digits than its factorization.

61288016960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4454131 (or 4454121 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 47.

The spelling of 61288016960 in words is "sixty-one billion, two hundred eighty-eight million, sixteen thousand, nine hundred sixty".