210161426902 has 16 divisors (see below), whose sum is σ = 360606984192. Its totient is φ = 89986619880.

The previous prime is 210161426857. The next prime is 210161426941. The reversal of 210161426902 is 209624161012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6864438 + ... + 6894985.

It is an arithmetic number, because the mean of its divisors is an integer number (22537936512).

Almost surely, 2^210161426902 is an apocalyptic number.

210161426902 is a deficient number, since it is larger than the sum of its proper divisors (150445557290).

210161426902 is a wasteful number, since it uses less digits than its factorization.

210161426902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13760523.

The product of its (nonzero) digits is 10368, while the sum is 34.

Adding to 210161426902 its reverse (209624161012), we get a palindrome (419785587914).

The spelling of 210161426902 in words is "two hundred ten billion, one hundred sixty-one million, four hundred twenty-six thousand, nine hundred two".