16215413760 has 704 divisors, whose sum is σ = 70980134400. Its totient is φ = 3418619904.

The previous prime is 16215413723. The next prime is 16215413783. The reversal of 16215413760 is 6731451261.

16215413760 is a `hidden beast` number, since 1 + 6 + 21 + 541 + 37 + 60 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12579196 + ... + 12580484.

Almost surely, 2^16215413760 is an apocalyptic number.

16215413760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16215413760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35490067200).

16215413760 is an abundant number, since it is smaller than the sum of its proper divisors (54764720640).

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

16215413760 is a wasteful number, since it uses less digits than its factorization.

16215413760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1343 (or 1319 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The spelling of 16215413760 in words is "sixteen billion, two hundred fifteen million, four hundred thirteen thousand, seven hundred sixty".