16072686 has 36 divisors (see below), whose sum is σ = 40511952. Its totient is φ = 4591944.

The previous prime is 16072681. The next prime is 16072691. The reversal of 16072686 is 68627061.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (16072681) and next prime (16072691).

It is a self number, because there is not a number n which added to its sum of digits gives 16072686.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16072681) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 8230 + ... + 9993.

It is an arithmetic number, because the mean of its divisors is an integer number (1125332).

Almost surely, 2^16072686 is an apocalyptic number.

16072686 is an abundant number, since it is smaller than the sum of its proper divisors (24439266).

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

16072686 is a wasteful number, since it uses less digits than its factorization.

16072686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18245 (or 18235 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 16072686 is about 4009.0754545157. The cubic root of 16072686 is about 252.3652112024.

The spelling of 16072686 in words is "sixteen million, seventy-two thousand, six hundred eighty-six".