16353980 has 24 divisors (see below), whose sum is σ = 34424880. Its totient is φ = 6526080.

The previous prime is 16353959. The next prime is 16353991. The reversal of 16353980 is 8935361.

It is a self number, because there is not a number n which added to its sum of digits gives 16353980.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11720 + ... + 13040.

It is an arithmetic number, because the mean of its divisors is an integer number (1434370).

Almost surely, 2^16353980 is an apocalyptic number.

16353980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16353980 is an abundant number, since it is smaller than the sum of its proper divisors (18070900).

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

16353980 is a wasteful number, since it uses less digits than its factorization.

16353980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1949 (or 1947 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 16353980 is about 4044.0054401546. The cubic root of 16353980 is about 253.8289504953.

The spelling of 16353980 in words is "sixteen million, three hundred fifty-three thousand, nine hundred eighty".