64299707166 has 128 divisors (see below), whose sum is σ = 144450708480. Its totient is φ = 18985494528.

The previous prime is 64299707137. The next prime is 64299707167. The reversal of 64299707166 is 66170799246.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64299707167) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 46830856 + ... + 46832228.

It is an arithmetic number, because the mean of its divisors is an integer number (1128521160).

Almost surely, 2^64299707166 is an apocalyptic number.

64299707166 is an abundant number, since it is smaller than the sum of its proper divisors (80151001314).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64299707166 is a wasteful number, since it uses less digits than its factorization.

64299707166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1810.

The product of its (nonzero) digits is 6858432, while the sum is 57.

The spelling of 64299707166 in words is "sixty-four billion, two hundred ninety-nine million, seven hundred seven thousand, one hundred sixty-six".