64170601916 has 12 divisors (see below), whose sum is σ = 112422372888. Its totient is φ = 32049923952.

The previous prime is 64170601907. The next prime is 64170601951. The reversal of 64170601916 is 61910607146.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8840171 + ... + 8847426.

It is an arithmetic number, because the mean of its divisors is an integer number (9368531074).

Almost surely, 2^64170601916 is an apocalyptic number.

It is an amenable number.

64170601916 is a deficient number, since it is larger than the sum of its proper divisors (48251770972).

64170601916 is a wasteful number, since it uses less digits than its factorization.

64170601916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17688508 (or 17688506 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 41.

The spelling of 64170601916 in words is "sixty-four billion, one hundred seventy million, six hundred one thousand, nine hundred sixteen".