151668025 has 12 divisors (see below), whose sum is σ = 188281600. Its totient is φ = 121196880.

The previous prime is 151668019. The next prime is 151668029. The reversal of 151668025 is 520866151.

It is a happy number.

It is not a de Polignac number, because 151668025 - 2⁹ = 151667513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (151668029) 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 11 ways as a sum of consecutive naturals, for example, 23056 + ... + 28894.

Almost surely, 2^151668025 is an apocalyptic number.

It is an amenable number.

151668025 is a deficient number, since it is larger than the sum of its proper divisors (36613575).

151668025 is a wasteful number, since it uses less digits than its factorization.

151668025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6888 (or 6883 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 34.

The square root of 151668025 is about 12315.3572826776. The cubic root of 151668025 is about 533.2915190742.

The spelling of 151668025 in words is "one hundred fifty-one million, six hundred sixty-eight thousand, twenty-five".