15160205640 has 128 divisors (see below), whose sum is σ = 48451737600. Its totient is φ = 3783755520.

The previous prime is 15160205611. The next prime is 15160205647. The reversal of 15160205640 is 4650206151.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 15160205598 and 15160205607.

It is not an unprimeable number, because it can be changed into a prime (15160205647) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 149185 + ... + 229295.

It is an arithmetic number, because the mean of its divisors is an integer number (378529200).

Almost surely, 2^15160205640 is an apocalyptic number.

15160205640 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 15160205640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24225868800).

15160205640 is an abundant number, since it is smaller than the sum of its proper divisors (33291531960).

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

15160205640 is a wasteful number, since it uses less digits than its factorization.

15160205640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80227 (or 80223 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The spelling of 15160205640 in words is "fifteen billion, one hundred sixty million, two hundred five thousand, six hundred forty".