210112164 has 24 divisors (see below), whose sum is σ = 544735520. Its totient is φ = 70037352.

The previous prime is 210112151. The next prime is 210112171. The reversal of 210112164 is 461211012.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 972634 + ... + 972849.

Almost surely, 2^210112164 is an apocalyptic number.

It is an amenable number.

210112164 is an abundant number, since it is smaller than the sum of its proper divisors (334623356).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

210112164 is a wasteful number, since it uses less digits than its factorization.

210112164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1945496 (or 1945488 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 210112164 is about 14495.2462552383. The cubic root of 210112164 is about 594.4980008954.

Adding to 210112164 its reverse (461211012), we get a palindrome (671323176).

It can be divided in two parts, 210112 and 164, that added together give a triangular number (210276 = T₆₄₈).

The spelling of 210112164 in words is "two hundred ten million, one hundred twelve thousand, one hundred sixty-four".