157663963 has 2 divisors, whose sum is σ = 157663964. Its totient is φ = 157663962.

The previous prime is 157663951. The next prime is 157663969. The reversal of 157663963 is 369366751.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 157663963 - 2²¹ = 155566811 is a prime.

It is not a weakly prime, because it can be changed into another prime (157663969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78831981 + 78831982.

It is an arithmetic number, because the mean of its divisors is an integer number (78831982).

Almost surely, 2^157663963 is an apocalyptic number.

157663963 is a deficient number, since it is larger than the sum of its proper divisors (1).

157663963 is an equidigital number, since it uses as much as digits as its factorization.

157663963 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 612360, while the sum is 46.

The square root of 157663963 is about 12556.4311410528. The cubic root of 157663963 is about 540.2284847000.

The spelling of 157663963 in words is "one hundred fifty-seven million, six hundred sixty-three thousand, nine hundred sixty-three".