151166251705 has 40 divisors (see below), whose sum is σ = 211828403592. Its totient is φ = 103554872064.

The previous prime is 151166251699. The next prime is 151166251723. The reversal of 151166251705 is 507152661151.

It can be written as a sum of positive squares in 4 ways, for example, as 1357775104 + 149808476601 = 36848^2 + 387051^2 .

It is not a de Polignac number, because 151166251705 - 2⁵ = 151166251673 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 13403949 + ... + 13415221.

Almost surely, 2^151166251705 is an apocalyptic number.

It is an amenable number.

151166251705 is a deficient number, since it is larger than the sum of its proper divisors (60662151887).

151166251705 is an equidigital number, since it uses as much as digits as its factorization.

151166251705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12423 (or 12402 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 40.

The spelling of 151166251705 in words is "one hundred fifty-one billion, one hundred sixty-six million, two hundred fifty-one thousand, seven hundred five".