15980892466 has 64 divisors (see below), whose sum is σ = 32380508160. Its totient is φ = 5723746560.

The previous prime is 15980892413. The next prime is 15980892467. The reversal of 15980892466 is 66429808951.

It is a super-2 number, since 2×15980892466² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 15980892466.

It is not an unprimeable number, because it can be changed into a prime (15980892467) 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, 41595 + ... + 183553.

It is an arithmetic number, because the mean of its divisors is an integer number (505945440).

Almost surely, 2^15980892466 is an apocalyptic number.

15980892466 is an abundant number, since it is smaller than the sum of its proper divisors (16399615694).

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

15980892466 is a wasteful number, since it uses less digits than its factorization.

15980892466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142039.

The product of its (nonzero) digits is 7464960, while the sum is 58.

The spelling of 15980892466 in words is "fifteen billion, nine hundred eighty million, eight hundred ninety-two thousand, four hundred sixty-six".