1161785374 has 8 divisors (see below), whose sum is σ = 1746103320. Its totient is φ = 579750936.

The previous prime is 1161785371. The next prime is 1161785411. The reversal of 1161785374 is 4735871611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1161785374.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1161785371) 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, 569604 + ... + 571639.

It is an arithmetic number, because the mean of its divisors is an integer number (218262915).

Almost surely, 2^1161785374 is an apocalyptic number.

1161785374 is a deficient number, since it is larger than the sum of its proper divisors (584317946).

1161785374 is a wasteful number, since it uses less digits than its factorization.

1161785374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1141754.

The product of its digits is 141120, while the sum is 43.

The square root of 1161785374 is about 34084.9728472827. The cubic root of 1161785374 is about 1051.2563567514.

The spelling of 1161785374 in words is "one billion, one hundred sixty-one million, seven hundred eighty-five thousand, three hundred seventy-four".