210456403157 has 96 divisors (see below), whose sum is σ = 302145935616. Its totient is φ = 142148413440.

The previous prime is 210456403153. The next prime is 210456403169. The reversal of 210456403157 is 751304654012.

It is not a de Polignac number, because 210456403157 - 2² = 210456403153 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 210456403157.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210456403153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 105385283 + ... + 105387279.

It is an arithmetic number, because the mean of its divisors is an integer number (3147353496).

Almost surely, 2^210456403157 is an apocalyptic number.

It is an amenable number.

210456403157 is a deficient number, since it is larger than the sum of its proper divisors (91689532459).

210456403157 is a wasteful number, since it uses less digits than its factorization.

210456403157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2619 (or 2608 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 38.

The spelling of 210456403157 in words is "two hundred ten billion, four hundred fifty-six million, four hundred three thousand, one hundred fifty-seven".