65264450151666 has 16 divisors (see below), whose sum is σ = 137398842424800. Its totient is φ = 20609826363648.

The previous prime is 65264450151653. The next prime is 65264450151689. The reversal of 65264450151666 is 66615105446256.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 286247588271 + ... + 286247588498.

It is an arithmetic number, because the mean of its divisors is an integer number (8587427651550).

Almost surely, 2^{65264450151666} is an apocalyptic number.

65264450151666 is an abundant number, since it is smaller than the sum of its proper divisors (72134392273134).

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

65264450151666 is a wasteful number, since it uses less digits than its factorization.

65264450151666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572495176793.

The product of its (nonzero) digits is 31104000, while the sum is 57.

The spelling of 65264450151666 in words is "sixty-five trillion, two hundred sixty-four billion, four hundred fifty million, one hundred fifty-one thousand, six hundred sixty-six".