172016963 has 2 divisors, whose sum is σ = 172016964. Its totient is φ = 172016962.

The previous prime is 172016953. The next prime is 172016969. The reversal of 172016963 is 369610271.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 172016963 - 2⁴ = 172016947 is a prime.

It is not a weakly prime, because it can be changed into another prime (172016969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86008481 + 86008482.

It is an arithmetic number, because the mean of its divisors is an integer number (86008482).

Almost surely, 2^172016963 is an apocalyptic number.

172016963 is a deficient number, since it is larger than the sum of its proper divisors (1).

172016963 is an equidigital number, since it uses as much as digits as its factorization.

172016963 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 172016963 is about 13115.5237409720. The cubic root of 172016963 is about 556.1480582787.

The spelling of 172016963 in words is "one hundred seventy-two million, sixteen thousand, nine hundred sixty-three".