213389402616 has 128 divisors (see below), whose sum is σ = 653914094400. Its totient is φ = 64056821760.

The previous prime is 213389402581. The next prime is 213389402623. The reversal of 213389402616 is 616204983312.

213389402616 is a `hidden beast` number, since 2 + 1 + 3 + 389 + 4 + 0 + 261 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 811621 + ... + 1041876.

Almost surely, 2^213389402616 is an apocalyptic number.

213389402616 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

213389402616 is an abundant number, since it is smaller than the sum of its proper divisors (440524691784).

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

213389402616 is a wasteful number, since it uses less digits than its factorization.

213389402616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1853566 (or 1853556 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The spelling of 213389402616 in words is "two hundred thirteen billion, three hundred eighty-nine million, four hundred two thousand, six hundred sixteen".