151665151 has 12 divisors (see below), whose sum is σ = 173957616. Its totient is φ = 131880320.

The previous prime is 151665139. The next prime is 151665161. The reversal of 151665151 is 151566151.

It is not a de Polignac number, because 151665151 - 2²⁵ = 118110719 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151665161) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24466 + ... + 30031.

It is an arithmetic number, because the mean of its divisors is an integer number (14496468).

Almost surely, 2^151665151 is an apocalyptic number.

151665151 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

151665151 is a deficient number, since it is larger than the sum of its proper divisors (22292465).

151665151 is a wasteful number, since it uses less digits than its factorization.

151665151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54542 (or 54531 counting only the distinct ones).

The product of its digits is 4500, while the sum is 31.

The square root of 151665151 is about 12315.2405985429. The cubic root of 151665151 is about 533.2881505560.

The spelling of 151665151 in words is "one hundred fifty-one million, six hundred sixty-five thousand, one hundred fifty-one".