151660725 has 24 divisors (see below), whose sum is σ = 251576160. Its totient is φ = 80617920.

The previous prime is 151660721. The next prime is 151660741. The reversal of 151660725 is 527066151.

It is not a de Polignac number, because 151660725 - 2² = 151660721 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151660721) 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 23 ways as a sum of consecutive naturals, for example, 20586 + ... + 26964.

It is an arithmetic number, because the mean of its divisors is an integer number (10482340).

Almost surely, 2^151660725 is an apocalyptic number.

151660725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

151660725 is a deficient number, since it is larger than the sum of its proper divisors (99915435).

151660725 is a wasteful number, since it uses less digits than its factorization.

151660725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6709 (or 6704 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 33.

The square root of 151660725 is about 12315.0609011892. The cubic root of 151660725 is about 533.2829629079.

The spelling of 151660725 in words is "one hundred fifty-one million, six hundred sixty thousand, seven hundred twenty-five".