82151018 has 16 divisors (see below), whose sum is σ = 127920384. Its totient is φ = 39539760.

The previous prime is 82150979. The next prime is 82151033. The reversal of 82151018 is 81015128.

It is a super-3 number, since 3×82151018³ (a number of 25 digits) contains 333 as substring.

It is a Curzon number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1430 + ... + 12897.

It is an arithmetic number, because the mean of its divisors is an integer number (7995024).

Almost surely, 2^82151018 is an apocalyptic number.

82151018 is a deficient number, since it is larger than the sum of its proper divisors (45769366).

82151018 is a wasteful number, since it uses less digits than its factorization.

82151018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14437.

The product of its (nonzero) digits is 640, while the sum is 26.

The square root of 82151018 is about 9063.7198765187. The cubic root of 82151018 is about 434.7146902613.

The spelling of 82151018 in words is "eighty-two million, one hundred fifty-one thousand, eighteen".