64537577366 has 8 divisors (see below), whose sum is σ = 97292830800. Its totient is φ = 32106633768.

The previous prime is 64537577303. The next prime is 64537577369. The reversal of 64537577366 is 66377573546.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64537577369) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81076961 + ... + 81077756.

It is an arithmetic number, because the mean of its divisors is an integer number (12161603850).

Almost surely, 2^64537577366 is an apocalyptic number.

64537577366 is a deficient number, since it is larger than the sum of its proper divisors (32755253434).

64537577366 is a wasteful number, since it uses less digits than its factorization.

64537577366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162154918.

The product of its digits is 66679200, while the sum is 59.

The spelling of 64537577366 in words is "sixty-four billion, five hundred thirty-seven million, five hundred seventy-seven thousand, three hundred sixty-six".