151661912 has 8 divisors (see below), whose sum is σ = 284366100. Its totient is φ = 75830952.

The previous prime is 151661899. The next prime is 151661929. The reversal of 151661912 is 219166151.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 9478862 + ... + 9478877.

Almost surely, 2^151661912 is an apocalyptic number.

It is an amenable number.

151661912 is a deficient number, since it is larger than the sum of its proper divisors (132704188).

151661912 is a wasteful number, since it uses less digits than its factorization.

151661912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18957745 (or 18957741 counting only the distinct ones).

The product of its digits is 3240, while the sum is 32.

The square root of 151661912 is about 12315.1090941169. The cubic root of 151661912 is about 533.2843541826.

The spelling of 151661912 in words is "one hundred fifty-one million, six hundred sixty-one thousand, nine hundred twelve".