16364780 has 12 divisors (see below), whose sum is σ = 34366080. Its totient is φ = 6545904.

The previous prime is 16364779. The next prime is 16364783. The reversal of 16364780 is 8746361.

It is a self number, because there is not a number n which added to its sum of digits gives 16364780.

It is not an unprimeable number, because it can be changed into a prime (16364783) 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, 409100 + ... + 409139.

It is an arithmetic number, because the mean of its divisors is an integer number (2863840).

Almost surely, 2^16364780 is an apocalyptic number.

16364780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16364780 is an abundant number, since it is smaller than the sum of its proper divisors (18001300).

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

16364780 is a wasteful number, since it uses less digits than its factorization.

16364780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 818248 (or 818246 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 16364780 is about 4045.3405295475. The cubic root of 16364780 is about 253.8848135417.

The spelling of 16364780 in words is "sixteen million, three hundred sixty-four thousand, seven hundred eighty".