157663274 has 8 divisors (see below), whose sum is σ = 236580960. Its totient is φ = 78802956.

The previous prime is 157663271. The next prime is 157663277. The reversal of 157663274 is 472366751.

It is an interprime number because it is at equal distance from previous prime (157663271) and next prime (157663277).

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

It is not an unprimeable number, because it can be changed into a prime (157663271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6644 + ... + 18959.

It is an arithmetic number, because the mean of its divisors is an integer number (29572620).

Almost surely, 2^157663274 is an apocalyptic number.

157663274 is a deficient number, since it is larger than the sum of its proper divisors (78917686).

157663274 is a wasteful number, since it uses less digits than its factorization.

157663274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28684.

The product of its digits is 211680, while the sum is 41.

The square root of 157663274 is about 12556.4037048830. The cubic root of 157663274 is about 540.2276977563.

The spelling of 157663274 in words is "one hundred fifty-seven million, six hundred sixty-three thousand, two hundred seventy-four".