15910883640667 has 4 divisors (see below), whose sum is σ = 16459534800720. Its totient is φ = 15362232480616.

The previous prime is 15910883640649. The next prime is 15910883640671. The reversal of 15910883640667 is 76604638801951.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 15910883640667 - 2¹⁹ = 15910883116379 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 15910883640599 and 15910883640608.

It is not an unprimeable number, because it can be changed into a prime (15910883647667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 274325579983 + ... + 274325580040.

It is an arithmetic number, because the mean of its divisors is an integer number (4114883700180).

Almost surely, 2^{15910883640667} is an apocalyptic number.

15910883640667 is a deficient number, since it is larger than the sum of its proper divisors (548651160053).

15910883640667 is an equidigital number, since it uses as much as digits as its factorization.

15910883640667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548651160052.

The product of its (nonzero) digits is 52254720, while the sum is 64.

The spelling of 15910883640667 in words is "fifteen trillion, nine hundred ten billion, eight hundred eighty-three million, six hundred forty thousand, six hundred sixty-seven".