16157201 has 8 divisors (see below), whose sum is σ = 17747520. Its totient is φ = 14640912.

The previous prime is 16157189. The next prime is 16157213. The reversal of 16157201 is 10275161.

It is an interprime number because it is at equal distance from previous prime (16157189) and next prime (16157213).

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

It is a cyclic number.

It is not a de Polignac number, because 16157201 - 2¹⁸ = 15895057 is a prime.

It is a super-2 number, since 2×16157201² = 522110288308802, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is not an unprimeable number, because it can be changed into a prime (16157101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18050 + ... + 18923.

It is an arithmetic number, because the mean of its divisors is an integer number (2218440).

Almost surely, 2^16157201 is an apocalyptic number.

It is an amenable number.

16157201 is a deficient number, since it is larger than the sum of its proper divisors (1590319).

16157201 is a wasteful number, since it uses less digits than its factorization.

16157201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37015.

The product of its (nonzero) digits is 420, while the sum is 23.

The square root of 16157201 is about 4019.6020947352. The cubic root of 16157201 is about 252.8067754503.

The spelling of 16157201 in words is "sixteen million, one hundred fifty-seven thousand, two hundred one".