15671621060 has 96 divisors (see below), whose sum is σ = 34200714240. Its totient is φ = 6027955200.

The previous prime is 15671621051. The next prime is 15671621087. The reversal of 15671621060 is 6012617651.

It is a self number, because there is not a number n which added to its sum of digits gives 15671621060.

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, 24221657 + ... + 24222303.

It is an arithmetic number, because the mean of its divisors is an integer number (356257440).

Almost surely, 2^15671621060 is an apocalyptic number.

15671621060 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 15671621060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17100357120).

15671621060 is an abundant number, since it is smaller than the sum of its proper divisors (18529093180).

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

15671621060 is a wasteful number, since it uses less digits than its factorization.

15671621060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1077 (or 1075 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 35.

The spelling of 15671621060 in words is "fifteen billion, six hundred seventy-one million, six hundred twenty-one thousand, sixty".