151166621632 has 28 divisors (see below), whose sum is σ = 323045979256. Its totient is φ = 69769209600.

The previous prime is 151166621549. The next prime is 151166621657. The reversal of 151166621632 is 236126661151.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90844494 + ... + 90846157.

It is an arithmetic number, because the mean of its divisors is an integer number (11537356402).

Almost surely, 2^151166621632 is an apocalyptic number.

It is an amenable number.

151166621632 is an abundant number, since it is smaller than the sum of its proper divisors (171879357624).

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

151166621632 is a wasteful number, since it uses less digits than its factorization.

151166621632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181690676 (or 181690666 counting only the distinct ones).

The product of its digits is 77760, while the sum is 40.

The spelling of 151166621632 in words is "one hundred fifty-one billion, one hundred sixty-six million, six hundred twenty-one thousand, six hundred thirty-two".