16265380 has 12 divisors (see below), whose sum is σ = 34157340. Its totient is φ = 6506144.

The previous prime is 16265377. The next prime is 16265399. The reversal of 16265380 is 8356261.

It can be written as a sum of positive squares in 2 ways, for example, as 8514724 + 7750656 = 2918^2 + 2784^2 .

It is a plaindrome in base 14.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 406615 + ... + 406654.

It is an arithmetic number, because the mean of its divisors is an integer number (2846445).

Almost surely, 2^16265380 is an apocalyptic number.

16265380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16265380 is an abundant number, since it is smaller than the sum of its proper divisors (17891960).

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

16265380 is a wasteful number, since it uses less digits than its factorization.

16265380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 813278 (or 813276 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 16265380 is about 4033.0360772004. The cubic root of 16265380 is about 253.3697354585.

The spelling of 16265380 in words is "sixteen million, two hundred sixty-five thousand, three hundred eighty".