64672364146 has 16 divisors (see below), whose sum is σ = 104688864000. Its totient is φ = 29786462928.

The previous prime is 64672364143. The next prime is 64672364149. The reversal of 64672364146 is 64146327646.

It is an interprime number because it is at equal distance from previous prime (64672364143) and next prime (64672364149).

It is a self number, because there is not a number n which added to its sum of digits gives 64672364146.

It is not an unprimeable number, because it can be changed into a prime (64672364143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2583996 + ... + 2608903.

It is an arithmetic number, because the mean of its divisors is an integer number (6543054000).

Almost surely, 2^64672364146 is an apocalyptic number.

64672364146 is a deficient number, since it is larger than the sum of its proper divisors (40016499854).

64672364146 is a wasteful number, since it uses less digits than its factorization.

64672364146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5193393.

The product of its digits is 3483648, while the sum is 49.

The spelling of 64672364146 in words is "sixty-four billion, six hundred seventy-two million, three hundred sixty-four thousand, one hundred forty-six".