16313490 has 48 divisors (see below), whose sum is σ = 43459416. Its totient is φ = 4243200.

The previous prime is 16313483. The next prime is 16313491. The reversal of 16313490 is 9431361.

16313490 is a `hidden beast` number, since 163 + 13 + 490 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 11634921 + 4678569 = 3411^2 + 2163^2 .

It is a super-2 number, since 2×16313490² = 532259911960200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16313491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1480 + ... + 5900.

Almost surely, 2^16313490 is an apocalyptic number.

16313490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 16313490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21729708).

16313490 is an abundant number, since it is smaller than the sum of its proper divisors (27145926).

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

16313490 is a wasteful number, since it uses less digits than its factorization.

16313490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4475 (or 4472 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 16313490 is about 4038.9961624146. The cubic root of 16313490 is about 253.6192965809.

The spelling of 16313490 in words is "sixteen million, three hundred thirteen thousand, four hundred ninety".