61622136342664 has 64 divisors (see below), whose sum is σ = 116195446080000. Its totient is φ = 30637161584640.

The previous prime is 61622136342659. The next prime is 61622136342733. The reversal of 61622136342664 is 46624363122616.

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, 7907366352 + ... + 7907374144.

It is an arithmetic number, because the mean of its divisors is an integer number (1815553845000).

Almost surely, 2^{61622136342664} is an apocalyptic number.

It is an amenable number.

61622136342664 is a deficient number, since it is larger than the sum of its proper divisors (54573309737336).

61622136342664 is a wasteful number, since it uses less digits than its factorization.

61622136342664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14758 (or 14754 counting only the distinct ones).

The product of its digits is 8957952, while the sum is 52.

The spelling of 61622136342664 in words is "sixty-one trillion, six hundred twenty-two billion, one hundred thirty-six million, three hundred forty-two thousand, six hundred sixty-four".