1082181651687 has 12 divisors (see below), whose sum is σ = 1589645364840. Its totient is φ = 709226392848.

The previous prime is 1082181651679. The next prime is 1082181651697. The reversal of 1082181651687 is 7861561812801.

1082181651687 is a `hidden beast` number, since 10 + 8 + 21 + 8 + 16 + 516 + 87 = 666.

It is not a de Polignac number, because 1082181651687 - 2³ = 1082181651679 is a prime.

It is a super-2 number, since 2×1082181651687² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1082181651667) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1019002908 + ... + 1019003969.

It is an arithmetic number, because the mean of its divisors is an integer number (132470447070).

Almost surely, 2^{1082181651687} is an apocalyptic number.

1082181651687 is a deficient number, since it is larger than the sum of its proper divisors (507463713153).

1082181651687 is a wasteful number, since it uses less digits than its factorization.

1082181651687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2038006942 (or 2038006939 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 54.

The spelling of 1082181651687 in words is "one trillion, eighty-two billion, one hundred eighty-one million, six hundred fifty-one thousand, six hundred eighty-seven".