340366304161503 has 32 divisors (see below), whose sum is σ = 513224935660800. Its totient is φ = 222876997992288.

The previous prime is 340366304161501. The next prime is 340366304161553. The reversal of 340366304161503 is 305161403663043.

It is a happy number.

340366304161503 is a `hidden beast` number, since 3 + 4 + 0 + 3 + 6 + 630 + 4 + 1 + 6 + 1 + 5 + 0 + 3 = 666.

It is not a de Polignac number, because 340366304161503 - 2¹ = 340366304161501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340366304161501) 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, 88110676 + ... + 91892457.

It is an arithmetic number, because the mean of its divisors is an integer number (16038279239400).

Almost surely, 2^{340366304161503} is an apocalyptic number.

340366304161503 is a deficient number, since it is larger than the sum of its proper divisors (172858631499297).

340366304161503 is a wasteful number, since it uses less digits than its factorization.

340366304161503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180004388 (or 180004382 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 45.

The spelling of 340366304161503 in words is "three hundred forty trillion, three hundred sixty-six billion, three hundred four million, one hundred sixty-one thousand, five hundred three".