64761370061446 has 192 divisors, whose sum is σ = 112074990491520. Its totient is φ = 27951595499520.

The previous prime is 64761370061431. The next prime is 64761370061467. The reversal of 64761370061446 is 64416007316746.

It is a happy number.

It is a super-2 number, since 2×64761370061446² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5567033646 + ... + 5567045278.

It is an arithmetic number, because the mean of its divisors is an integer number (583723908810).

Almost surely, 2^{64761370061446} is an apocalyptic number.

64761370061446 is a deficient number, since it is larger than the sum of its proper divisors (47313620430074).

64761370061446 is a wasteful number, since it uses less digits than its factorization.

64761370061446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11871 (or 11828 counting only the distinct ones).

The product of its (nonzero) digits is 12192768, while the sum is 55.

The spelling of 64761370061446 in words is "sixty-four trillion, seven hundred sixty-one billion, three hundred seventy million, sixty-one thousand, four hundred forty-six".