82160449390 has 16 divisors (see below), whose sum is σ = 148434528960. Its totient is φ = 32742908640.

The previous prime is 82160449337. The next prime is 82160449403. The reversal of 82160449390 is 9394406128.

It is a self number, because there is not a number n which added to its sum of digits gives 82160449390.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15156045 + ... + 15161464.

It is an arithmetic number, because the mean of its divisors is an integer number (9277158060).

Almost surely, 2^82160449390 is an apocalyptic number.

82160449390 is a deficient number, since it is larger than the sum of its proper divisors (66274079570).

82160449390 is a wasteful number, since it uses less digits than its factorization.

82160449390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30317787.

The product of its (nonzero) digits is 373248, while the sum is 46.

The spelling of 82160449390 in words is "eighty-two billion, one hundred sixty million, four hundred forty-nine thousand, three hundred ninety".