151611906 has 64 divisors (see below), whose sum is σ = 339655680. Its totient is φ = 44890560.

The previous prime is 151611893. The next prime is 151611923. The reversal of 151611906 is 609116151.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 138421 + ... + 139511.

It is an arithmetic number, because the mean of its divisors is an integer number (5307120).

Almost surely, 2^151611906 is an apocalyptic number.

151611906 is an abundant number, since it is smaller than the sum of its proper divisors (188043774).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

151611906 is a wasteful number, since it uses less digits than its factorization.

151611906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1191.

The product of its (nonzero) digits is 1620, while the sum is 30.

The square root of 151611906 is about 12313.0786564531. The cubic root of 151611906 is about 533.2257361936.

The spelling of 151611906 in words is "one hundred fifty-one million, six hundred eleven thousand, nine hundred six".