151214661 has 16 divisors (see below), whose sum is σ = 241254720. Its totient is φ = 93054960.

The previous prime is 151214653. The next prime is 151214681. The reversal of 151214661 is 166412151.

151214661 is a `hidden beast` number, since 1 + 512 + 146 + 6 + 1 = 666.

It is not a de Polignac number, because 151214661 - 2³ = 151214653 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151214641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 215055 + ... + 215756.

It is an arithmetic number, because the mean of its divisors is an integer number (15078420).

Almost surely, 2^151214661 is an apocalyptic number.

It is an amenable number.

151214661 is a deficient number, since it is larger than the sum of its proper divisors (90040059).

151214661 is a wasteful number, since it uses less digits than its factorization.

151214661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430833 (or 430827 counting only the distinct ones).

The product of its digits is 1440, while the sum is 27.

The square root of 151214661 is about 12296.9370576579. The cubic root of 151214661 is about 532.7596194845.

The spelling of 151214661 in words is "one hundred fifty-one million, two hundred fourteen thousand, six hundred sixty-one".