1831363161 has 16 divisors (see below), whose sum is σ = 2525073408. Its totient is φ = 1179421200.

The previous prime is 1831363153. The next prime is 1831363169. The reversal of 1831363161 is 1613631381.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1831363153) and next prime (1831363169).

It is not a de Polignac number, because 1831363161 - 2³ = 1831363153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1831363169) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35860 + ... + 70346.

It is an arithmetic number, because the mean of its divisors is an integer number (157817088).

Almost surely, 2^1831363161 is an apocalyptic number.

It is an amenable number.

1831363161 is a deficient number, since it is larger than the sum of its proper divisors (693710247).

1831363161 is a wasteful number, since it uses less digits than its factorization.

1831363161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35092.

The product of its digits is 7776, while the sum is 33.

The square root of 1831363161 is about 42794.4290883755. The cubic root of 1831363161 is about 1223.4648349029.

The spelling of 1831363161 in words is "one billion, eight hundred thirty-one million, three hundred sixty-three thousand, one hundred sixty-one".