10206157 has 8 divisors (see below), whose sum is σ = 11199384. Its totient is φ = 9242688.

The previous prime is 10206149. The next prime is 10206187. The reversal of 10206157 is 75160201.

It can be written as a sum of positive squares in 4 ways, for example, as 434281 + 9771876 = 659^2 + 3126^2 .

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

It is not a de Polignac number, because 10206157 - 2³ = 10206149 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10206107) 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, 6718 + ... + 8095.

It is an arithmetic number, because the mean of its divisors is an integer number (1399923).

Almost surely, 2^10206157 is an apocalyptic number.

It is an amenable number.

10206157 is a deficient number, since it is larger than the sum of its proper divisors (993227).

10206157 is a wasteful number, since it uses less digits than its factorization.

10206157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14879.

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 10206157 is about 3194.7076548567. The cubic root of 10206157 is about 216.9139160344.

Adding to 10206157 its reverse (75160201), we get a palindrome (85366358).

The spelling of 10206157 in words is "ten million, two hundred six thousand, one hundred fifty-seven".