16481276415 has 32 divisors (see below), whose sum is σ = 29324298240. Its totient is φ = 8782738848.

The previous prime is 16481276401. The next prime is 16481276423. The reversal of 16481276415 is 51467218461.

16481276415 is a `hidden beast` number, since 164 + 8 + 1 + 2 + 76 + 415 = 666.

It is not a de Polignac number, because 16481276415 - 2⁸ = 16481276159 is a prime.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 115194 + ... + 215016.

It is an arithmetic number, because the mean of its divisors is an integer number (916384320).

Almost surely, 2^16481276415 is an apocalyptic number.

16481276415 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

16481276415 is a deficient number, since it is larger than the sum of its proper divisors (12843021825).

16481276415 is a wasteful number, since it uses less digits than its factorization.

16481276415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101060 (or 101054 counting only the distinct ones).

The product of its digits is 322560, while the sum is 45.

The spelling of 16481276415 in words is "sixteen billion, four hundred eighty-one million, two hundred seventy-six thousand, four hundred fifteen".