16696278380 has 48 divisors (see below), whose sum is σ = 35327115264. Its totient is φ = 6628132800.

The previous prime is 16696278343. The next prime is 16696278383. The reversal of 16696278380 is 8387269661.

It is a super-3 number, since 3×16696278380³ (a number of 32 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (16696278383) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4658069 + ... + 4661651.

It is an arithmetic number, because the mean of its divisors is an integer number (735981568).

Almost surely, 2^16696278380 is an apocalyptic number.

16696278380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16696278380 is an abundant number, since it is smaller than the sum of its proper divisors (18630836884).

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

16696278380 is a wasteful number, since it uses less digits than its factorization.

16696278380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5286 (or 5284 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 56.

The spelling of 16696278380 in words is "sixteen billion, six hundred ninety-six million, two hundred seventy-eight thousand, three hundred eighty".