16401363 has 8 divisors (see below), whose sum is σ = 23856576. Its totient is φ = 9940200.

The previous prime is 16401349. The next prime is 16401373. The reversal of 16401363 is 36310461.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16401363 - 2⁴ = 16401347 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16401373) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 248473 + ... + 248538.

It is an arithmetic number, because the mean of its divisors is an integer number (2982072).

Almost surely, 2^16401363 is an apocalyptic number.

16401363 is a deficient number, since it is larger than the sum of its proper divisors (7455213).

16401363 is a wasteful number, since it uses less digits than its factorization.

16401363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497025.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 16401363 is about 4049.8596271970. The cubic root of 16401363 is about 254.0738568366.

It can be divided in two parts, 1640 and 1363, that added together give a palindrome (3003).

The spelling of 16401363 in words is "sixteen million, four hundred one thousand, three hundred sixty-three".