64321818627122 has 64 divisors (see below), whose sum is σ = 111982952632320. Its totient is φ = 27140831827200.

The previous prime is 64321818627119. The next prime is 64321818627137. The reversal of 64321818627122 is 22172681812346.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 378990122 + ... + 379159802.

It is an arithmetic number, because the mean of its divisors is an integer number (1749733634880).

Almost surely, 2^{64321818627122} is an apocalyptic number.

64321818627122 is a deficient number, since it is larger than the sum of its proper divisors (47661134005198).

64321818627122 is a wasteful number, since it uses less digits than its factorization.

64321818627122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171447.

The product of its digits is 3096576, while the sum is 53.

The spelling of 64321818627122 in words is "sixty-four trillion, three hundred twenty-one billion, eight hundred eighteen million, six hundred twenty-seven thousand, one hundred twenty-two".