157918963 has 4 divisors (see below), whose sum is σ = 157944960. Its totient is φ = 157892968.

The previous prime is 157918961. The next prime is 157918979. The reversal of 157918963 is 369819751.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 157918963 - 2¹ = 157918961 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157918961) 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, 1518 + ... + 17836.

It is an arithmetic number, because the mean of its divisors is an integer number (39486240).

Almost surely, 2^157918963 is an apocalyptic number.

157918963 is a deficient number, since it is larger than the sum of its proper divisors (25997).

157918963 is an equidigital number, since it uses as much as digits as its factorization.

157918963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25996.

The product of its digits is 408240, while the sum is 49.

The square root of 157918963 is about 12566.5811977642. The cubic root of 157918963 is about 540.5195765031.

The spelling of 157918963 in words is "one hundred fifty-seven million, nine hundred eighteen thousand, nine hundred sixty-three".