64572143508614 has 16 divisors (see below), whose sum is σ = 111491470809600. Its totient is φ = 27474683876424.

The previous prime is 64572143508581. The next prime is 64572143508623. The reversal of 64572143508614 is 41680534127546.

It is a super-2 number, since 2×64572143508614² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 64572143508614.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16590990734 + ... + 16590994625.

It is an arithmetic number, because the mean of its divisors is an integer number (6968216925600).

Almost surely, 2^{64572143508614} is an apocalyptic number.

64572143508614 is a deficient number, since it is larger than the sum of its proper divisors (46919327300986).

64572143508614 is a wasteful number, since it uses less digits than its factorization.

64572143508614 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33181985507.

The product of its (nonzero) digits is 19353600, while the sum is 56.

The spelling of 64572143508614 in words is "sixty-four trillion, five hundred seventy-two billion, one hundred forty-three million, five hundred eight thousand, six hundred fourteen".