15948708920 has 64 divisors (see below), whose sum is σ = 37350180000. Its totient is φ = 6121640448.

The previous prime is 15948708871. The next prime is 15948708931. The reversal of 15948708920 is 2980784951.

It is a super-2 number, since 2×15948708920² (a number of 21 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 15 ways as a sum of consecutive naturals, for example, 146906 + ... + 231254.

Almost surely, 2^15948708920 is an apocalyptic number.

15948708920 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 15948708920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18675090000).

15948708920 is an abundant number, since it is smaller than the sum of its proper divisors (21401471080).

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

15948708920 is a wasteful number, since it uses less digits than its factorization.

15948708920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84552 (or 84548 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 53.

The spelling of 15948708920 in words is "fifteen billion, nine hundred forty-eight million, seven hundred eight thousand, nine hundred twenty".