151251660 has 72 divisors (see below), whose sum is σ = 524343456. Its totient is φ = 34571520.

The previous prime is 151251649. The next prime is 151251677. The reversal of 151251660 is 66152151.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 58761 + ... + 61280.

It is an arithmetic number, because the mean of its divisors is an integer number (7282548).

Almost surely, 2^151251660 is an apocalyptic number.

151251660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

151251660 is an abundant number, since it is smaller than the sum of its proper divisors (373091796).

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

151251660 is a wasteful number, since it uses less digits than its factorization.

151251660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120063 (or 120058 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

The square root of 151251660 is about 12298.4413646608. The cubic root of 151251660 is about 532.8030675770.

The spelling of 151251660 in words is "one hundred fifty-one million, two hundred fifty-one thousand, six hundred sixty".