16215130904 has 32 divisors (see below), whose sum is σ = 34892121600. Its totient is φ = 6920259360.

The previous prime is 16215130901. The next prime is 16215130931. The reversal of 16215130904 is 40903151261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16215130901) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 592382 + ... + 619149.

It is an arithmetic number, because the mean of its divisors is an integer number (1090378800).

Almost surely, 2^16215130904 is an apocalyptic number.

16215130904 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

16215130904 is an abundant number, since it is smaller than the sum of its proper divisors (18676990696).

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

16215130904 is a wasteful number, since it uses less digits than its factorization.

16215130904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1211783 (or 1211779 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 32.

The spelling of 16215130904 in words is "sixteen billion, two hundred fifteen million, one hundred thirty thousand, nine hundred four".