146466722664 has 80 divisors (see below), whose sum is σ = 421330143300. Its totient is φ = 47502713088.

The previous prime is 146466722651. The next prime is 146466722719. The reversal of 146466722664 is 466227664641.

It can be written as a sum of positive squares in 2 ways, for example, as 138415249764 + 8051472900 = 372042^2 + 89730^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 146466722664.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3030469 + ... + 3078420.

Almost surely, 2^146466722664 is an apocalyptic number.

It is an amenable number.

146466722664 is an abundant number, since it is smaller than the sum of its proper divisors (274863420636).

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

146466722664 is a wasteful number, since it uses less digits than its factorization.

146466722664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6108944 (or 6108931 counting only the distinct ones).

The product of its digits is 13934592, while the sum is 54.

The spelling of 146466722664 in words is "one hundred forty-six billion, four hundred sixty-six million, seven hundred twenty-two thousand, six hundred sixty-four".