16407405876 has 24 divisors (see below), whose sum is σ = 38388273280. Its totient is φ = 5454231552.

The previous prime is 16407405841. The next prime is 16407405877. The reversal of 16407405876 is 67850470461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16407405877) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1858381 + ... + 1867188.

Almost surely, 2^16407405876 is an apocalyptic number.

It is an amenable number.

16407405876 is an abundant number, since it is smaller than the sum of its proper divisors (21980867404).

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

16407405876 is a wasteful number, since it uses less digits than its factorization.

16407405876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3725943 (or 3725941 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 48.

The spelling of 16407405876 in words is "sixteen billion, four hundred seven million, four hundred five thousand, eight hundred seventy-six".