15715066620 has 48 divisors (see below), whose sum is σ = 48002387328. Its totient is φ = 3809712960.

The previous prime is 15715066603. The next prime is 15715066651. The reversal of 15715066620 is 2666051751.

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, 11904694 + ... + 11906013.

It is an arithmetic number, because the mean of its divisors is an integer number (1000049736).

Almost surely, 2^15715066620 is an apocalyptic number.

15715066620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15715066620 is an abundant number, since it is smaller than the sum of its proper divisors (32287320708).

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

15715066620 is a wasteful number, since it uses less digits than its factorization.

15715066620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23810730 (or 23810728 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 39.

The spelling of 15715066620 in words is "fifteen billion, seven hundred fifteen million, sixty-six thousand, six hundred twenty".