1682391061618 has 16 divisors (see below), whose sum is σ = 2624607032256. Its totient is φ = 808163450640.

The previous prime is 1682391061579. The next prime is 1682391061619. The reversal of 1682391061618 is 8161601932861.

It is not an unprimeable number, because it can be changed into a prime (1682391061619) 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, 160344646 + ... + 160355137.

It is an arithmetic number, because the mean of its divisors is an integer number (164037939516).

Almost surely, 2^{1682391061618} is an apocalyptic number.

1682391061618 is a deficient number, since it is larger than the sum of its proper divisors (942215970638).

1682391061618 is a wasteful number, since it uses less digits than its factorization.

1682391061618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320699889.

The product of its (nonzero) digits is 746496, while the sum is 52.

The spelling of 1682391061618 in words is "one trillion, six hundred eighty-two billion, three hundred ninety-one million, sixty-one thousand, six hundred eighteen".