151688181925 has 12 divisors (see below), whose sum is σ = 214963823776. Its totient is φ = 104014753200.

The previous prime is 151688181913. The next prime is 151688182007. The reversal of 151688181925 is 529181886151.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-151688181925 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 433394631 + ... + 433394980.

Almost surely, 2^151688181925 is an apocalyptic number.

It is an amenable number.

151688181925 is a deficient number, since it is larger than the sum of its proper divisors (63275641851).

151688181925 is an equidigital number, since it uses as much as digits as its factorization.

151688181925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 866789628 (or 866789623 counting only the distinct ones).

The product of its digits is 1382400, while the sum is 55.

The spelling of 151688181925 in words is "one hundred fifty-one billion, six hundred eighty-eight million, one hundred eighty-one thousand, nine hundred twenty-five".