64523146562 has 64 divisors (see below), whose sum is σ = 116525364480. Its totient is φ = 26214451200.

The previous prime is 64523146559. The next prime is 64523146607. The reversal of 64523146562 is 26564132546.

It is a happy number.

It is a super-2 number, since 2×64523146562² (a number of 22 digits) contains 22 as substring.

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, 21427637 + ... + 21430647.

It is an arithmetic number, because the mean of its divisors is an integer number (1820708820).

Almost surely, 2^64523146562 is an apocalyptic number.

64523146562 is a deficient number, since it is larger than the sum of its proper divisors (52002217918).

64523146562 is a wasteful number, since it uses less digits than its factorization.

64523146562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4107.

The product of its digits is 1036800, while the sum is 44.

The spelling of 64523146562 in words is "sixty-four billion, five hundred twenty-three million, one hundred forty-six thousand, five hundred sixty-two".