151689688 has 16 divisors (see below), whose sum is σ = 286496280. Its totient is φ = 75290688.

The previous prime is 151689683. The next prime is 151689743. The reversal of 151689688 is 886986151.

It is a super-2 number, since 2×151689688² = 46019522891074688, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151689683) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68106 + ... + 70297.

Almost surely, 2^151689688 is an apocalyptic number.

It is an amenable number.

151689688 is a deficient number, since it is larger than the sum of its proper divisors (134806592).

151689688 is a wasteful number, since it uses less digits than its factorization.

151689688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138546 (or 138542 counting only the distinct ones).

The product of its digits is 829440, while the sum is 52.

The square root of 151689688 is about 12316.2367629077. The cubic root of 151689688 is about 533.3169081747.

It can be divided in two parts, 1516 and 89688, that added together give a square (91204 = 302²).

The spelling of 151689688 in words is "one hundred fifty-one million, six hundred eighty-nine thousand, six hundred eighty-eight".