16157615203 has 4 divisors (see below), whose sum is σ = 16158513280. Its totient is φ = 16156717128.

The previous prime is 16157615197. The next prime is 16157615213. The reversal of 16157615203 is 30251675161.

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 16157615203 - 2⁵ = 16157615171 is a prime.

It is a super-2 number, since 2×16157615203² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16157615213) 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, 421488 + ... + 458221.

It is an arithmetic number, because the mean of its divisors is an integer number (4039628320).

Almost surely, 2^16157615203 is an apocalyptic number.

16157615203 is a deficient number, since it is larger than the sum of its proper divisors (898077).

16157615203 is an equidigital number, since it uses as much as digits as its factorization.

16157615203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 898076.

The product of its (nonzero) digits is 37800, while the sum is 37.

The spelling of 16157615203 in words is "sixteen billion, one hundred fifty-seven million, six hundred fifteen thousand, two hundred three".