158630657 has 8 divisors (see below), whose sum is σ = 161495040. Its totient is φ = 155787840.

The previous prime is 158630629. The next prime is 158630669. The reversal of 158630657 is 756036851.

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 158630657 - 2¹⁰ = 158629633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (158630617) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9833 + ... + 20345.

It is an arithmetic number, because the mean of its divisors is an integer number (20186880).

Almost surely, 2^158630657 is an apocalyptic number.

It is an amenable number.

158630657 is a deficient number, since it is larger than the sum of its proper divisors (2864383).

158630657 is a wasteful number, since it uses less digits than its factorization.

158630657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10783.

The product of its (nonzero) digits is 151200, while the sum is 41.

The square root of 158630657 is about 12594.8662954396. The cubic root of 158630657 is about 541.3303469732.

The spelling of 158630657 in words is "one hundred fifty-eight million, six hundred thirty thousand, six hundred fifty-seven".