1072731161846 has 16 divisors (see below), whose sum is σ = 1733176420800. Its totient is φ = 496318700808.

The previous prime is 1072731161783. The next prime is 1072731161857. The reversal of 1072731161846 is 6481611372701.

It is a super-2 number, since 2×1072731161846² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1072731161846.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 328251476 + ... + 328254743.

It is an arithmetic number, because the mean of its divisors is an integer number (108323526300).

Almost surely, 2^{1072731161846} is an apocalyptic number.

1072731161846 is a deficient number, since it is larger than the sum of its proper divisors (660445258954).

1072731161846 is a wasteful number, since it uses less digits than its factorization.

1072731161846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 656506283.

The product of its (nonzero) digits is 338688, while the sum is 47.

The spelling of 1072731161846 in words is "one trillion, seventy-two billion, seven hundred thirty-one million, one hundred sixty-one thousand, eight hundred forty-six".