151168881 has 8 divisors (see below), whose sum is σ = 201666784. Its totient is φ = 100725120.

The previous prime is 151168861. The next prime is 151168889. The reversal of 151168881 is 188861151.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 151168881 - 2²¹ = 149071729 is a prime.

It is a super-2 number, since 2×151168881² = 45704061165584322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (151168889) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6496 + ... + 18561.

It is an arithmetic number, because the mean of its divisors is an integer number (25208348).

Almost surely, 2^151168881 is an apocalyptic number.

It is an amenable number.

151168881 is a deficient number, since it is larger than the sum of its proper divisors (50497903).

151168881 is a wasteful number, since it uses less digits than its factorization.

151168881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27071.

The product of its digits is 15360, while the sum is 39.

The square root of 151168881 is about 12295.0754776048. The cubic root of 151168881 is about 532.7058500132.

The spelling of 151168881 in words is "one hundred fifty-one million, one hundred sixty-eight thousand, eight hundred eighty-one".