61364674475464 has 32 divisors (see below), whose sum is σ = 115151308272000. Its totient is φ = 30657663433152.

The previous prime is 61364674475449. The next prime is 61364674475477. The reversal of 61364674475464 is 46457447646316.

It is a self number, because there is not a number n which added to its sum of digits gives 61364674475464.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111106507 + ... + 111657445.

It is an arithmetic number, because the mean of its divisors is an integer number (3598478383500).

Almost surely, 2^{61364674475464} is an apocalyptic number.

It is an amenable number.

61364674475464 is a deficient number, since it is larger than the sum of its proper divisors (53786633796536).

61364674475464 is a wasteful number, since it uses less digits than its factorization.

61364674475464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562117 (or 562113 counting only the distinct ones).

The product of its digits is 975421440, while the sum is 67.

The spelling of 61364674475464 in words is "sixty-one trillion, three hundred sixty-four billion, six hundred seventy-four million, four hundred seventy-five thousand, four hundred sixty-four".