16026699380 has 12 divisors (see below), whose sum is σ = 33656068740. Its totient is φ = 6410679744.

The previous prime is 16026699379. The next prime is 16026699389. The reversal of 16026699380 is 8399662061.

It can be written as a sum of positive squares in 2 ways, for example, as 8921558116 + 7105141264 = 94454^2 + 84292^2 .

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16026699389) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 400667465 + ... + 400667504.

It is an arithmetic number, because the mean of its divisors is an integer number (2804672395).

Almost surely, 2^16026699380 is an apocalyptic number.

16026699380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16026699380 is an abundant number, since it is smaller than the sum of its proper divisors (17629369360).

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

16026699380 is a wasteful number, since it uses less digits than its factorization.

16026699380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 801334978 (or 801334976 counting only the distinct ones).

The product of its (nonzero) digits is 839808, while the sum is 50.

The spelling of 16026699380 in words is "sixteen billion, twenty-six million, six hundred ninety-nine thousand, three hundred eighty".