146577664647 has 24 divisors (see below), whose sum is σ = 213398931200. Its totient is φ = 96946078608.

The previous prime is 146577664637. The next prime is 146577664663. The reversal of 146577664647 is 746466775641.

It is a happy number.

146577664647 is a `hidden beast` number, since 1 + 46 + 5 + 77 + 66 + 464 + 7 = 666.

It is not a de Polignac number, because 146577664647 - 2¹⁶ = 146577599111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146577664637) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1739004 + ... + 1821342.

Almost surely, 2^146577664647 is an apocalyptic number.

146577664647 is a deficient number, since it is larger than the sum of its proper divisors (66821266553).

146577664647 is a wasteful number, since it uses less digits than its factorization.

146577664647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83907 (or 83904 counting only the distinct ones).

The product of its digits is 142248960, while the sum is 63.

The spelling of 146577664647 in words is "one hundred forty-six billion, five hundred seventy-seven million, six hundred sixty-four thousand, six hundred forty-seven".