16132403385 has 72 divisors (see below), whose sum is σ = 33948148416. Its totient is φ = 6940961280.

The previous prime is 16132403347. The next prime is 16132403401. The reversal of 16132403385 is 58330423161.

16132403385 is a `hidden beast` number, since 1 + 613 + 2 + 4 + 0 + 3 + 38 + 5 = 666.

It is not a de Polignac number, because 16132403385 - 2⁷ = 16132403257 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2430 + ... + 179640.

Almost surely, 2^16132403385 is an apocalyptic number.

16132403385 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16132403385 is an abundant number, since it is smaller than the sum of its proper divisors (17815745031).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16132403385 is a wasteful number, since it uses less digits than its factorization.

16132403385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177263 (or 177243 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The spelling of 16132403385 in words is "sixteen billion, one hundred thirty-two million, four hundred three thousand, three hundred eighty-five".