1161374319 has 24 divisors (see below), whose sum is σ = 1953368352. Its totient is φ = 651119040.

The previous prime is 1161374317. The next prime is 1161374321. The reversal of 1161374319 is 9134731611.

1161374319 is a `hidden beast` number, since 1 + 1 + 613 + 7 + 4 + 31 + 9 = 666.

It is an interprime number because it is at equal distance from previous prime (1161374317) and next prime (1161374321).

It is not a de Polignac number, because 1161374319 - 2¹ = 1161374317 is a prime.

It is a super-2 number, since 2×1161374319² = 2697580617665427522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1161374317) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 170572 + ... + 177249.

It is an arithmetic number, because the mean of its divisors is an integer number (81390348).

Almost surely, 2^1161374319 is an apocalyptic number.

1161374319 is a deficient number, since it is larger than the sum of its proper divisors (791994033).

1161374319 is a wasteful number, since it uses less digits than its factorization.

1161374319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347887 (or 347884 counting only the distinct ones).

The product of its digits is 13608, while the sum is 36.

The square root of 1161374319 is about 34078.9424571831. The cubic root of 1161374319 is about 1051.1323593347.

The spelling of 1161374319 in words is "one billion, one hundred sixty-one million, three hundred seventy-four thousand, three hundred nineteen".