16416261 has 12 divisors (see below), whose sum is σ = 23935392. Its totient is φ = 10841256.

The previous prime is 16416241. The next prime is 16416287. The reversal of 16416261 is 16261461.

It is not a de Polignac number, because 16416261 - 2⁵ = 16416229 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16416221) 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, 7561 + ... + 9486.

It is an arithmetic number, because the mean of its divisors is an integer number (1994616).

Almost surely, 2^16416261 is an apocalyptic number.

It is an amenable number.

16416261 is a deficient number, since it is larger than the sum of its proper divisors (7519131).

16416261 is a wasteful number, since it uses less digits than its factorization.

16416261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17160 (or 17157 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 16416261 is about 4051.6985327144. The cubic root of 16416261 is about 254.1507619657.

The spelling of 16416261 in words is "sixteen million, four hundred sixteen thousand, two hundred sixty-one".