151504206722 has 54 divisors (see below), whose sum is σ = 253040289411. Its totient is φ = 67982057000.

The previous prime is 151504206709. The next prime is 151504206731. The reversal of 151504206722 is 227602405151.

It can be written as a sum of positive squares in only one way, i.e., 75752103361 + 75752103361 = 275231^2 + 275231^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=275231.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 793215647 + ... + 793215837.

Almost surely, 2^151504206722 is an apocalyptic number.

151504206722 is a deficient number, since it is larger than the sum of its proper divisors (101536082689).

151504206722 is an equidigital number, since it uses as much as digits as its factorization.

151504206722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 668 (or 335 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 35.

The spelling of 151504206722 in words is "one hundred fifty-one billion, five hundred four million, two hundred six thousand, seven hundred twenty-two".