15938098920 has 192 divisors, whose sum is σ = 54460584000. Its totient is φ = 4146024960.

The previous prime is 15938098903. The next prime is 15938098921. The reversal of 15938098920 is 2989083951.

15938098920 is a `hidden beast` number, since 159 + 380 + 98 + 9 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (15938098921) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1811091 + ... + 1819869.

It is an arithmetic number, because the mean of its divisors is an integer number (283648875).

Almost surely, 2^15938098920 is an apocalyptic number.

15938098920 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 15938098920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27230292000).

15938098920 is an abundant number, since it is smaller than the sum of its proper divisors (38522485080).

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

15938098920 is a wasteful number, since it uses less digits than its factorization.

15938098920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8881 (or 8830 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 54.

The spelling of 15938098920 in words is "fifteen billion, nine hundred thirty-eight million, ninety-eight thousand, nine hundred twenty".