64416036655 has 8 divisors (see below), whose sum is σ = 77310983232. Its totient is φ = 51525003168.

The previous prime is 64416036593. The next prime is 64416036691. The reversal of 64416036655 is 55663061446.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 64416036655 - 2¹³ = 64416028463 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 941932 + ... + 1008001.

It is an arithmetic number, because the mean of its divisors is an integer number (9663872904).

Almost surely, 2^64416036655 is an apocalyptic number.

64416036655 is a deficient number, since it is larger than the sum of its proper divisors (12894946577).

64416036655 is a wasteful number, since it uses less digits than its factorization.

64416036655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1956545.

The product of its (nonzero) digits is 1555200, while the sum is 46.

The spelling of 64416036655 in words is "sixty-four billion, four hundred sixteen million, thirty-six thousand, six hundred fifty-five".