61296044160 has 128 divisors (see below), whose sum is σ = 210410544960. Its totient is φ = 15088250880.

The previous prime is 61296044143. The next prime is 61296044207. The reversal of 61296044160 is 6144069216.

It is a tau number, because it is divible by the number of its divisors (128).

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 15 ways as a sum of consecutive naturals, for example, 1202926 + ... + 1252845.

Almost surely, 2^61296044160 is an apocalyptic number.

61296044160 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

61296044160 is an abundant number, since it is smaller than the sum of its proper divisors (149114500800).

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

61296044160 is a wasteful number, since it uses less digits than its factorization.

61296044160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2455806 (or 2455794 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 39.

The spelling of 61296044160 in words is "sixty-one billion, two hundred ninety-six million, forty-four thousand, one hundred sixty".