61366424165624 has 8 divisors (see below), whose sum is σ = 115062045310560. Its totient is φ = 30683212082808.

The previous prime is 61366424165609. The next prime is 61366424165633. The reversal of 61366424165624 is 42656142466316.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 61366424165624.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3835401510344 + ... + 3835401510359.

It is an arithmetic number, because the mean of its divisors is an integer number (14382755663820).

Almost surely, 2^{61366424165624} is an apocalyptic number.

It is an amenable number.

61366424165624 is a deficient number, since it is larger than the sum of its proper divisors (53695621144936).

61366424165624 is a wasteful number, since it uses less digits than its factorization.

61366424165624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7670803020709 (or 7670803020705 counting only the distinct ones).

The product of its digits is 29859840, while the sum is 56.

The spelling of 61366424165624 in words is "sixty-one trillion, three hundred sixty-six billion, four hundred twenty-four million, one hundred sixty-five thousand, six hundred twenty-four".