16993960426 has 16 divisors (see below), whose sum is σ = 26088084000. Its totient is φ = 8297998128.

The previous prime is 16993960391. The next prime is 16993960429. The reversal of 16993960426 is 62406939961.

It is not an unprimeable number, because it can be changed into a prime (16993960429) 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, 671185 + ... + 696043.

It is an arithmetic number, because the mean of its divisors is an integer number (1630505250).

Almost surely, 2^16993960426 is an apocalyptic number.

16993960426 is a deficient number, since it is larger than the sum of its proper divisors (9094123574).

16993960426 is a wasteful number, since it uses less digits than its factorization.

16993960426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32853.

The product of its (nonzero) digits is 3779136, while the sum is 55.

The spelling of 16993960426 in words is "sixteen billion, nine hundred ninety-three million, nine hundred sixty thousand, four hundred twenty-six".