61026594147864 has 48 divisors (see below), whose sum is σ = 165285177364320. Its totient is φ = 20341605038400.

The previous prime is 61026594147859. The next prime is 61026594147943. The reversal of 61026594147864 is 46874149562016.

61026594147864 is a `hidden beast` number, since 6 + 1 + 0 + 2 + 65 + 9 + 41 + 478 + 64 = 666.

61026594147864 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×61026594147864² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9863947 + ... + 14810490.

It is an arithmetic number, because the mean of its divisors is an integer number (3443441195090).

Almost surely, 2^{61026594147864} is an apocalyptic number.

It is an amenable number.

61026594147864 is an abundant number, since it is smaller than the sum of its proper divisors (104258583216456).

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

61026594147864 is a wasteful number, since it uses less digits than its factorization.

61026594147864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24708800 (or 24708793 counting only the distinct ones).

The product of its (nonzero) digits is 69672960, while the sum is 63.

The spelling of 61026594147864 in words is "sixty-one trillion, twenty-six billion, five hundred ninety-four million, one hundred forty-seven thousand, eight hundred sixty-four".