64775016190 has 32 divisors (see below), whose sum is σ = 123466231584. Its totient is φ = 24383385600.

The previous prime is 64775016157. The next prime is 64775016191. The reversal of 64775016190 is 9161057746.

It is a super-2 number, since 2×64775016190² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 64775016190.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64775016191) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3117817 + ... + 3138523.

It is an arithmetic number, because the mean of its divisors is an integer number (3858319737).

Almost surely, 2^64775016190 is an apocalyptic number.

64775016190 is a deficient number, since it is larger than the sum of its proper divisors (58691215394).

64775016190 is a wasteful number, since it uses less digits than its factorization.

64775016190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39132.

The product of its (nonzero) digits is 317520, while the sum is 46.

The spelling of 64775016190 in words is "sixty-four billion, seven hundred seventy-five million, sixteen thousand, one hundred ninety".