16271401 has 4 divisors (see below), whose sum is σ = 16284672. Its totient is φ = 16258132.

The previous prime is 16271347. The next prime is 16271443. The reversal of 16271401 is 10417261.

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 16271401 - 2⁷ = 16271273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16271461) 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, 4585 + ... + 7318.

It is an arithmetic number, because the mean of its divisors is an integer number (4071168).

Almost surely, 2^16271401 is an apocalyptic number.

It is an amenable number.

16271401 is a deficient number, since it is larger than the sum of its proper divisors (13271).

16271401 is a wasteful number, since it uses less digits than its factorization.

16271401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13270.

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 16271401 is about 4033.7824681061. The cubic root of 16271401 is about 253.4009951232.

Adding to 16271401 its reverse (10417261), we get a palindrome (26688662).

The spelling of 16271401 in words is "sixteen million, two hundred seventy-one thousand, four hundred one".