61426245424666 has 24 divisors (see below), whose sum is σ = 95441207925024. Its totient is φ = 29649369282960.

The previous prime is 61426245424631. The next prime is 61426245424697. The reversal of 61426245424666 is 66642454262416.

It is a Harshad number since it is a multiple of its sum of digits (58).

It is a self number, because there is not a number n which added to its sum of digits gives 61426245424666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7790181 + ... + 13547671.

It is an arithmetic number, because the mean of its divisors is an integer number (3976716996876).

Almost surely, 2^{61426245424666} is an apocalyptic number.

61426245424666 is a deficient number, since it is larger than the sum of its proper divisors (34014962500358).

61426245424666 is a wasteful number, since it uses less digits than its factorization.

61426245424666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5763894 (or 5763865 counting only the distinct ones).

The product of its digits is 79626240, while the sum is 58.

The spelling of 61426245424666 in words is "sixty-one trillion, four hundred twenty-six billion, two hundred forty-five million, four hundred twenty-four thousand, six hundred sixty-six".