151991948226 has 16 divisors (see below), whose sum is σ = 305058047904. Its totient is φ = 50484957504.

The previous prime is 151991948219. The next prime is 151991948231. The reversal of 151991948226 is 622849199151.

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, 44754471 + ... + 44757866.

It is an arithmetic number, because the mean of its divisors is an integer number (19066127994).

Almost surely, 2^151991948226 is an apocalyptic number.

151991948226 is an abundant number, since it is smaller than the sum of its proper divisors (153066099678).

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

151991948226 is a wasteful number, since it uses less digits than its factorization.

151991948226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89512625.

The product of its digits is 2799360, while the sum is 57.

The spelling of 151991948226 in words is "one hundred fifty-one billion, nine hundred ninety-one million, nine hundred forty-eight thousand, two hundred twenty-six".