150688691 has 8 divisors (see below), whose sum is σ = 152446944. Its totient is φ = 148936320.

The previous prime is 150688687. The next prime is 150688711. The reversal of 150688691 is 196886051.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 150688691 - 2² = 150688687 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (150688651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68651 + ... + 70811.

It is an arithmetic number, because the mean of its divisors is an integer number (19055868).

Almost surely, 2^150688691 is an apocalyptic number.

150688691 is a deficient number, since it is larger than the sum of its proper divisors (1758253).

150688691 is a wasteful number, since it uses less digits than its factorization.

150688691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2941.

The product of its (nonzero) digits is 103680, while the sum is 44.

The square root of 150688691 is about 12275.5322084218. The cubic root of 150688691 is about 532.1412026022.

The spelling of 150688691 in words is "one hundred fifty million, six hundred eighty-eight thousand, six hundred ninety-one".