213116210454 has 32 divisors (see below), whose sum is σ = 494393262336. Its totient is φ = 59981533920.

The previous prime is 213116210443. The next prime is 213116210467. The reversal of 213116210454 is 454012611312.

It is a super-2 number, since 2×213116210454² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37864317 + ... + 37869944.

It is an arithmetic number, because the mean of its divisors is an integer number (15449789448).

Almost surely, 2^213116210454 is an apocalyptic number.

213116210454 is an abundant number, since it is smaller than the sum of its proper divisors (281277051882).

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

213116210454 is a wasteful number, since it uses less digits than its factorization.

213116210454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75734340.

The product of its (nonzero) digits is 5760, while the sum is 30.

Adding to 213116210454 its reverse (454012611312), we get a palindrome (667128821766).

The spelling of 213116210454 in words is "two hundred thirteen billion, one hundred sixteen million, two hundred ten thousand, four hundred fifty-four".