16408671832 has 32 divisors (see below), whose sum is σ = 35216370720. Its totient is φ = 7021301760.

The previous prime is 16408671827. The next prime is 16408671857. The reversal of 16408671832 is 23817680461.

It is a happy number.

It is a super-2 number, since 2×16408671832² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 192663 + ... + 264454.

It is an arithmetic number, because the mean of its divisors is an integer number (1100511585).

Almost surely, 2^16408671832 is an apocalyptic number.

It is an amenable number.

16408671832 is an abundant number, since it is smaller than the sum of its proper divisors (18807698888).

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

16408671832 is a wasteful number, since it uses less digits than its factorization.

16408671832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457771 (or 457767 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 46.

The spelling of 16408671832 in words is "sixteen billion, four hundred eight million, six hundred seventy-one thousand, eight hundred thirty-two".