151886226728 has 32 divisors (see below), whose sum is σ = 286295752200. Its totient is φ = 75541310208.

The previous prime is 151886226719. The next prime is 151886226749. The reversal of 151886226728 is 827622688151.

It can be written as a sum of positive squares in 4 ways, for example, as 151630802404 + 255424324 = 389398^2 + 15982^2 .

It is a hoax number, since the sum of its digits (56) coincides with the sum of the digits of its distinct prime factors.

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, 1964450 + ... + 2040302.

Almost surely, 2^151886226728 is an apocalyptic number.

It is an amenable number.

151886226728 is a deficient number, since it is larger than the sum of its proper divisors (134409525472).

151886226728 is a wasteful number, since it uses less digits than its factorization.

151886226728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77181 (or 77177 counting only the distinct ones).

The product of its digits is 5160960, while the sum is 56.

The spelling of 151886226728 in words is "one hundred fifty-one billion, eight hundred eighty-six million, two hundred twenty-six thousand, seven hundred twenty-eight".