15997877298000 has 2240 divisors, whose sum is σ = 67914673182720. Its totient is φ = 3607815168000.

The previous prime is 15997877297993. The next prime is 15997877298017. The reversal of 15997877298000 is 89277879951.

15997877298000 is a `hidden beast` number, since 1 + 599 + 7 + 8 + 7 + 7 + 29 + 8 + 0 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a self number, because there is not a number n which added to its sum of digits gives 15997877298000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 447 ways as a sum of consecutive naturals, for example, 11163905284 + ... + 11163906716.

It is an arithmetic number, because the mean of its divisors is an integer number (30319050528).

Almost surely, 2^{15997877298000} is an apocalyptic number.

15997877298000 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 15997877298000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33957336591360).

15997877298000 is an abundant number, since it is smaller than the sum of its proper divisors (51916795884720).

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

15997877298000 is a wasteful number, since it uses less digits than its factorization.

15997877298000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1537 (or 1506 counting only the distinct ones).

The product of its (nonzero) digits is 160030080, while the sum is 72.

The spelling of 15997877298000 in words is "fifteen trillion, nine hundred ninety-seven billion, eight hundred seventy-seven million, two hundred ninety-eight thousand".