16840180415 has 16 divisors (see below), whose sum is σ = 21299850720. Its totient is φ = 12746257920.

The previous prime is 16840180393. The next prime is 16840180493. The reversal of 16840180415 is 51408104861.

It is not a de Polignac number, because 16840180415 - 2⁶ = 16840180351 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44174 + ... + 188763.

It is an arithmetic number, because the mean of its divisors is an integer number (1331240670).

Almost surely, 2^16840180415 is an apocalyptic number.

16840180415 is a deficient number, since it is larger than the sum of its proper divisors (4459670305).

16840180415 is a wasteful number, since it uses less digits than its factorization.

16840180415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233722.

The product of its (nonzero) digits is 30720, while the sum is 38.

The spelling of 16840180415 in words is "sixteen billion, eight hundred forty million, one hundred eighty thousand, four hundred fifteen".