16404701 has 4 divisors (see below), whose sum is σ = 16602432. Its totient is φ = 16206972.

The previous prime is 16404679. The next prime is 16404709. The reversal of 16404701 is 10740461.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 16404701 - 2⁶ = 16404637 is a prime.

It is a super-2 number, since 2×16404701² = 538228429798802, 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 (16404709) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98741 + ... + 98906.

It is an arithmetic number, because the mean of its divisors is an integer number (4150608).

Almost surely, 2^16404701 is an apocalyptic number.

It is an amenable number.

16404701 is a deficient number, since it is larger than the sum of its proper divisors (197731).

16404701 is an equidigital number, since it uses as much as digits as its factorization.

16404701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197730.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 16404701 is about 4050.2717192801. The cubic root of 16404701 is about 254.0910920100.

The spelling of 16404701 in words is "sixteen million, four hundred four thousand, seven hundred one".