15973900560 has 60 divisors (see below), whose sum is σ = 53645685132. Its totient is φ = 4259706624.

The previous prime is 15973900541. The next prime is 15973900561. The reversal of 15973900560 is 6500937951.

15973900560 is a `hidden beast` number, since 1 + 59 + 7 + 39 + 0 + 0 + 560 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1677393936 + 14296506624 = 40956^2 + 119568^2 .

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (15973900561) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11092267 + ... + 11093706.

Almost surely, 2^15973900560 is an apocalyptic number.

15973900560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15973900560 is an abundant number, since it is smaller than the sum of its proper divisors (37671784572).

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

15973900560 is a wasteful number, since it uses less digits than its factorization.

15973900560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22185992 (or 22185983 counting only the distinct ones).

The product of its (nonzero) digits is 255150, while the sum is 45.

The spelling of 15973900560 in words is "fifteen billion, nine hundred seventy-three million, nine hundred thousand, five hundred sixty".