15166661696 has 14 divisors (see below), whose sum is σ = 30096344430. Its totient is φ = 7583330816.

The previous prime is 15166661693. The next prime is 15166661753. The reversal of 15166661696 is 69616666151.

It can be written as a sum of positive squares in only one way, i.e., 8288281600 + 6878380096 = 91040^2 + 82936^2 .

It is not an unprimeable number, because it can be changed into a prime (15166661693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 118489481 + ... + 118489608.

Almost surely, 2^15166661696 is an apocalyptic number.

15166661696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

15166661696 is a deficient number, since it is larger than the sum of its proper divisors (14929682734).

15166661696 is an equidigital number, since it uses as much as digits as its factorization.

15166661696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236979101 (or 236979091 counting only the distinct ones).

The product of its digits is 2099520, while the sum is 53.

The spelling of 15166661696 in words is "fifteen billion, one hundred sixty-six million, six hundred sixty-one thousand, six hundred ninety-six".