1161666234 has 24 divisors (see below), whose sum is σ = 2554512480. Its totient is φ = 381442248.

The previous prime is 1161666227. The next prime is 1161666271. The reversal of 1161666234 is 4326661611.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 480414 + ... + 482825.

It is an arithmetic number, because the mean of its divisors is an integer number (106438020).

Almost surely, 2^1161666234 is an apocalyptic number.

1161666234 is an abundant number, since it is smaller than the sum of its proper divisors (1392846246).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1161666234 is a wasteful number, since it uses less digits than its factorization.

1161666234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 963314 (or 963311 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 1161666234 is about 34083.2251114826. The cubic root of 1161666234 is about 1051.2204204053.

The spelling of 1161666234 in words is "one billion, one hundred sixty-one million, six hundred sixty-six thousand, two hundred thirty-four".