16413331 has 12 divisors (see below), whose sum is σ = 18249192. Its totient is φ = 14640000.

The previous prime is 16413317. The next prime is 16413349. The reversal of 16413331 is 13331461.

It is a happy number.

It is not a de Polignac number, because 16413331 - 2¹³ = 16405139 is a prime.

It is a super-2 number, since 2×16413331² = 538794869031122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16413031) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40731 + ... + 41131.

It is an arithmetic number, because the mean of its divisors is an integer number (1520766).

Almost surely, 2^16413331 is an apocalyptic number.

16413331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

16413331 is a deficient number, since it is larger than the sum of its proper divisors (1835861).

16413331 is an equidigital number, since it uses as much as digits as its factorization.

16413331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534 (or 473 counting only the distinct ones).

The product of its digits is 648, while the sum is 22.

The square root of 16413331 is about 4051.3369398262. The cubic root of 16413331 is about 254.1356406573.

Adding to 16413331 its reverse (13331461), we get a palindrome (29744792).

The spelling of 16413331 in words is "sixteen million, four hundred thirteen thousand, three hundred thirty-one".