64757326146 has 16 divisors (see below), whose sum is σ = 129603928608. Its totient is φ = 21570896000.

The previous prime is 64757326079. The next prime is 64757326157. The reversal of 64757326146 is 64162375746.

It is a super-2 number, since 2×64757326146² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3710415 + ... + 3727826.

It is an arithmetic number, because the mean of its divisors is an integer number (8100245538).

Almost surely, 2^64757326146 is an apocalyptic number.

64757326146 is an abundant number, since it is smaller than the sum of its proper divisors (64846602462).

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

64757326146 is a wasteful number, since it uses less digits than its factorization.

64757326146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7439697.

The product of its digits is 5080320, while the sum is 51.

The spelling of 64757326146 in words is "sixty-four billion, seven hundred fifty-seven million, three hundred twenty-six thousand, one hundred forty-six".