373840165345 has 32 divisors (see below), whose sum is σ = 453485498400. Its totient is φ = 295844161536.

The previous prime is 373840165271. The next prime is 373840165373. The reversal of 373840165345 is 543561048373.

It can be written as a sum of positive squares in 16 ways, for example, as 136586419776 + 237253745569 = 369576^2 + 487087^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-373840165345 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 125913021 + ... + 125915989.

It is an arithmetic number, because the mean of its divisors is an integer number (14171421825).

Almost surely, 2^373840165345 is an apocalyptic number.

It is an amenable number.

373840165345 is a deficient number, since it is larger than the sum of its proper divisors (79645333055).

373840165345 is a wasteful number, since it uses less digits than its factorization.

373840165345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3877.

The product of its (nonzero) digits is 3628800, while the sum is 49.

The spelling of 373840165345 in words is "three hundred seventy-three billion, eight hundred forty million, one hundred sixty-five thousand, three hundred forty-five".