61257042814466 has 32 divisors (see below), whose sum is σ = 94767445677312. Its totient is φ = 29681062374400.

The previous prime is 61257042814453. The next prime is 61257042814511. The reversal of 61257042814466 is 66441824075216.

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, 17518370 + ... + 20722146.

It is an arithmetic number, because the mean of its divisors is an integer number (2961482677416).

Almost surely, 2^{61257042814466} is an apocalyptic number.

61257042814466 is a deficient number, since it is larger than the sum of its proper divisors (33510402862846).

61257042814466 is a wasteful number, since it uses less digits than its factorization.

61257042814466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3205834.

The product of its (nonzero) digits is 15482880, while the sum is 56.

The spelling of 61257042814466 in words is "sixty-one trillion, two hundred fifty-seven billion, forty-two million, eight hundred fourteen thousand, four hundred sixty-six".