16442640676 has 24 divisors (see below), whose sum is σ = 35874853056. Its totient is φ = 6406223520.

The previous prime is 16442640667. The next prime is 16442640727. The reversal of 16442640676 is 67604624461.

It is a super-3 number, since 3×16442640676³ (a number of 32 digits) contains 333 as substring.

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, 26692291 + ... + 26692906.

It is an arithmetic number, because the mean of its divisors is an integer number (1494785544).

Almost surely, 2^16442640676 is an apocalyptic number.

It is an amenable number.

16442640676 is an abundant number, since it is smaller than the sum of its proper divisors (19432212380).

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

16442640676 is a wasteful number, since it uses less digits than its factorization.

16442640676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53385219 (or 53385217 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 46.

The spelling of 16442640676 in words is "sixteen billion, four hundred forty-two million, six hundred forty thousand, six hundred seventy-six".