1683401161 has 4 divisors (see below), whose sum is σ = 1812893572. Its totient is φ = 1553908752.

The previous prime is 1683401141. The next prime is 1683401177. The reversal of 1683401161 is 1611043861.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 794168761 + 889232400 = 28181^2 + 29820^2 .

It is a cyclic number.

It is not a de Polignac number, because 1683401161 - 2⁷ = 1683401033 is a prime.

It is a super-2 number, since 2×1683401161² = 5667678937712295842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1683401101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64746186 + ... + 64746211.

It is an arithmetic number, because the mean of its divisors is an integer number (453223393).

Almost surely, 2^1683401161 is an apocalyptic number.

It is an amenable number.

1683401161 is a deficient number, since it is larger than the sum of its proper divisors (129492411).

1683401161 is a wasteful number, since it uses less digits than its factorization.

1683401161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129492410.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 1683401161 is about 41029.2720018282. The cubic root of 1683401161 is about 1189.5860813567.

The spelling of 1683401161 in words is "one billion, six hundred eighty-three million, four hundred one thousand, one hundred sixty-one".