15970249260 has 144 divisors (see below), whose sum is σ = 55398260736. Its totient is φ = 3648053376.

The previous prime is 15970249247. The next prime is 15970249271. The reversal of 15970249260 is 6294207951.

15970249260 is a `hidden beast` number, since 15 + 97 + 0 + 2 + 492 + 60 = 666.

It is a super-2 number, since 2×15970249260² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2777949 + ... + 2783691.

It is an arithmetic number, because the mean of its divisors is an integer number (384710144).

Almost surely, 2^15970249260 is an apocalyptic number.

15970249260 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 15970249260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27699130368).

15970249260 is an abundant number, since it is smaller than the sum of its proper divisors (39428011476).

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

15970249260 is a wasteful number, since it uses less digits than its factorization.

15970249260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7972 (or 7967 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The spelling of 15970249260 in words is "fifteen billion, nine hundred seventy million, two hundred forty-nine thousand, two hundred sixty".