16373455065 has 48 divisors (see below), whose sum is σ = 31384903680. Its totient is φ = 7829879040.

The previous prime is 16373455051. The next prime is 16373455079. The reversal of 16373455065 is 56055437361.

16373455065 is a `hidden beast` number, since 1 + 6 + 3 + 7 + 34 + 550 + 65 = 666.

It is an interprime number because it is at equal distance from previous prime (16373455051) and next prime (16373455079).

It is not a de Polignac number, because 16373455065 - 2¹⁵ = 16373422297 is a prime.

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

It is a self number, because there is not a number n which added to its sum of digits gives 16373455065.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 190425 + ... + 262694.

It is an arithmetic number, because the mean of its divisors is an integer number (653852160).

Almost surely, 2^16373455065 is an apocalyptic number.

16373455065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16373455065 is a deficient number, since it is larger than the sum of its proper divisors (15011448615).

16373455065 is a wasteful number, since it uses less digits than its factorization.

16373455065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453214 (or 453211 counting only the distinct ones).

The product of its (nonzero) digits is 1134000, while the sum is 45.

The spelling of 16373455065 in words is "sixteen billion, three hundred seventy-three million, four hundred fifty-five thousand, sixty-five".