157662646 has 16 divisors (see below), whose sum is σ = 250216560. Its totient is φ = 74299680.

The previous prime is 157662629. The next prime is 157662649. The reversal of 157662646 is 646266751.

It is a happy number.

157662646 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157662649) 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, 3045 + ... + 18016.

It is an arithmetic number, because the mean of its divisors is an integer number (15638535).

Almost surely, 2^157662646 is an apocalyptic number.

157662646 is a deficient number, since it is larger than the sum of its proper divisors (92553914).

157662646 is a wasteful number, since it uses less digits than its factorization.

157662646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21279.

The product of its digits is 362880, while the sum is 43.

The square root of 157662646 is about 12556.3786976978. The cubic root of 157662646 is about 540.2269804820.

The spelling of 157662646 in words is "one hundred fifty-seven million, six hundred sixty-two thousand, six hundred forty-six".