64490118604 has 6 divisors (see below), whose sum is σ = 112857707564. Its totient is φ = 32245059300.

The previous prime is 64490118593. The next prime is 64490118661. The reversal of 64490118604 is 40681109446.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8061264822 + ... + 8061264829.

Almost surely, 2^64490118604 is an apocalyptic number.

It is an amenable number.

64490118604 is a deficient number, since it is larger than the sum of its proper divisors (48367588960).

64490118604 is a wasteful number, since it uses less digits than its factorization.

64490118604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16122529655 (or 16122529653 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 43.

The spelling of 64490118604 in words is "sixty-four billion, four hundred ninety million, one hundred eighteen thousand, six hundred four".