16371779494 has 16 divisors (see below), whose sum is σ = 28718604288. Its totient is φ = 6853302792.

The previous prime is 16371779491. The next prime is 16371779503. The reversal of 16371779494 is 49497717361.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16371779491) 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, 13597222 + ... + 13598425.

It is an arithmetic number, because the mean of its divisors is an integer number (1794912768).

Almost surely, 2^16371779494 is an apocalyptic number.

16371779494 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

16371779494 is a deficient number, since it is larger than the sum of its proper divisors (12346824794).

16371779494 is a wasteful number, since it uses less digits than its factorization.

16371779494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27195699.

The product of its digits is 8001504, while the sum is 58.

The spelling of 16371779494 in words is "sixteen billion, three hundred seventy-one million, seven hundred seventy-nine thousand, four hundred ninety-four".