16157286 has 24 divisors (see below), whose sum is σ = 35970840. Its totient is φ = 5375916.

The previous prime is 16157279. The next prime is 16157287. The reversal of 16157286 is 68275161.

16157286 is a `hidden beast` number, since 1 + 6 + 1 + 572 + 86 = 666.

It is a super-2 number, since 2×16157286² = 522115781771592, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16157286.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16157287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29265 + ... + 29811.

It is an arithmetic number, because the mean of its divisors is an integer number (1498785).

Almost surely, 2^16157286 is an apocalyptic number.

16157286 is an abundant number, since it is smaller than the sum of its proper divisors (19813554).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16157286 is an frugal number, since it uses more digits than its factorization.

16157286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1105 (or 552 counting only the distinct ones).

The product of its digits is 20160, while the sum is 36.

The square root of 16157286 is about 4019.6126679072. The cubic root of 16157286 is about 252.8072187725.

The spelling of 16157286 in words is "sixteen million, one hundred fifty-seven thousand, two hundred eighty-six".