16640376290 has 16 divisors (see below), whose sum is σ = 29954976768. Its totient is φ = 6655639536.

The previous prime is 16640376281. The next prime is 16640376307. The reversal of 16640376290 is 9267304661.

It is a Curzon 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, 90719 + ... + 203741.

It is an arithmetic number, because the mean of its divisors is an integer number (1872186048).

Almost surely, 2^16640376290 is an apocalyptic number.

16640376290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16640376290 is a deficient number, since it is larger than the sum of its proper divisors (13314600478).

16640376290 is a wasteful number, since it uses less digits than its factorization.

16640376290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127753.

The product of its (nonzero) digits is 326592, while the sum is 44.

The spelling of 16640376290 in words is "sixteen billion, six hundred forty million, three hundred seventy-six thousand, two hundred ninety".