15196891803648 has 416 divisors, whose sum is σ = 42512773029696. Its totient is φ = 4822929506304.

The previous prime is 15196891803637. The next prime is 15196891803671. The reversal of 15196891803648 is 84630819869151.

It is a super-2 number, since 2×15196891803648² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13903834590 + ... + 13903835682.

Almost surely, 2^{15196891803648} 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 15196891803648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21256386514848).

15196891803648 is an abundant number, since it is smaller than the sum of its proper divisors (27315881226048).

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

15196891803648 is a wasteful number, since it uses less digits than its factorization.

15196891803648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1787 (or 1765 counting only the distinct ones).

The product of its (nonzero) digits is 89579520, while the sum is 69.

The spelling of 15196891803648 in words is "fifteen trillion, one hundred ninety-six billion, eight hundred ninety-one million, eight hundred three thousand, six hundred forty-eight".