16215372261492 has 12 divisors (see below), whose sum is σ = 37835868610176. Its totient is φ = 5405124087160.

The previous prime is 16215372261443. The next prime is 16215372261493. The reversal of 16215372261492 is 29416227351261.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16215372261493) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 675640510884 + ... + 675640510907.

It is an arithmetic number, because the mean of its divisors is an integer number (3152989050848).

Almost surely, 2^{16215372261492} is an apocalyptic number.

16215372261492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16215372261492 is an abundant number, since it is smaller than the sum of its proper divisors (21620496348684).

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

16215372261492 is a wasteful number, since it uses less digits than its factorization.

16215372261492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1351281021798 (or 1351281021796 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 51.

The spelling of 16215372261492 in words is "sixteen trillion, two hundred fifteen billion, three hundred seventy-two million, two hundred sixty-one thousand, four hundred ninety-two".