1161764426 has 8 divisors (see below), whose sum is σ = 1742978304. Its totient is φ = 580771660.

The previous prime is 1161764419. The next prime is 1161764453. The reversal of 1161764426 is 6244671611.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1161764426.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41450 + ... + 63573.

It is an arithmetic number, because the mean of its divisors is an integer number (217872288).

Almost surely, 2^1161764426 is an apocalyptic number.

1161764426 is a deficient number, since it is larger than the sum of its proper divisors (581213878).

1161764426 is a wasteful number, since it uses less digits than its factorization.

1161764426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110556.

The product of its digits is 48384, while the sum is 38.

The square root of 1161764426 is about 34084.6655550557. The cubic root of 1161764426 is about 1051.2500383582.

The spelling of 1161764426 in words is "one billion, one hundred sixty-one million, seven hundred sixty-four thousand, four hundred twenty-six".