64507670546 has 16 divisors (see below), whose sum is σ = 106363797408. Its totient is φ = 29097837600.

The previous prime is 64507670509. The next prime is 64507670573.

64507670546 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×64507670546² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 64507670494 and 64507670503.

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, 11188595 + ... + 11194358.

It is an arithmetic number, because the mean of its divisors is an integer number (6647737338).

Almost surely, 2^64507670546 is an apocalyptic number.

64507670546 is a deficient number, since it is larger than the sum of its proper divisors (41856126862).

64507670546 is a wasteful number, since it uses less digits than its factorization.

64507670546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22383097.

The product of its (nonzero) digits is 4233600, while the sum is 50.

The spelling of 64507670546 in words is "sixty-four billion, five hundred seven million, six hundred seventy thousand, five hundred forty-six".