16215040296 has 768 divisors, whose sum is σ = 60715008000. Its totient is φ = 3914127360.

The previous prime is 16215040201. The next prime is 16215040297. The reversal of 16215040296 is 69204051261.

16215040296 is a `hidden beast` number, since 1 + 62 + 1 + 504 + 0 + 2 + 96 = 666.

It is a super-3 number, since 3×16215040296³ (a number of 32 digits) contains 333 as substring.

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

It is a self number, because there is not a number n which added to its sum of digits gives 16215040296.

It is not an unprimeable number, because it can be changed into a prime (16215040297) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 182191420 + ... + 182191508.

It is an arithmetic number, because the mean of its divisors is an integer number (79056000).

Almost surely, 2^16215040296 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16215040296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30357504000).

16215040296 is an abundant number, since it is smaller than the sum of its proper divisors (44499967704).

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

16215040296 is a wasteful number, since it uses less digits than its factorization.

16215040296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191 (or 168 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The spelling of 16215040296 in words is "sixteen billion, two hundred fifteen million, forty thousand, two hundred ninety-six".