1161674231 has 16 divisors (see below), whose sum is σ = 1261800960. Its totient is φ = 1065934080.

The previous prime is 1161674203. The next prime is 1161674249. The reversal of 1161674231 is 1324761611.

It is a cyclic number.

It is not a de Polignac number, because 1161674231 - 2²² = 1157479927 is a prime.

It is a super-2 number, since 2×1161674231² = 2698974037938882722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1161674251) 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, 79916 + ... + 93326.

It is an arithmetic number, because the mean of its divisors is an integer number (78862560).

Almost surely, 2^1161674231 is an apocalyptic number.

1161674231 is a deficient number, since it is larger than the sum of its proper divisors (100126729).

1161674231 is a wasteful number, since it uses less digits than its factorization.

1161674231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13574.

The product of its digits is 6048, while the sum is 32.

The square root of 1161674231 is about 34083.3424270567. The cubic root of 1161674231 is about 1051.2228326272. Note that the first 3 decimals are identical.

The spelling of 1161674231 in words is "one billion, one hundred sixty-one million, six hundred seventy-four thousand, two hundred thirty-one".