151261660 has 48 divisors (see below), whose sum is σ = 364775040. Its totient is φ = 52107840.

The previous prime is 151261613. The next prime is 151261681. The reversal of 151261660 is 66162151.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13914 + ... + 22273.

It is an arithmetic number, because the mean of its divisors is an integer number (7599480).

Almost surely, 2^151261660 is an apocalyptic number.

151261660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

151261660 is an abundant number, since it is smaller than the sum of its proper divisors (213513380).

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

151261660 is a wasteful number, since it uses less digits than its factorization.

151261660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36226 (or 36224 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 151261660 is about 12298.8479135243. The cubic root of 151261660 is about 532.8148094057.

The spelling of 151261660 in words is "one hundred fifty-one million, two hundred sixty-one thousand, six hundred sixty".