1148231666 has 16 divisors (see below), whose sum is σ = 1766269824. Its totient is φ = 559533744.

The previous prime is 1148231657. The next prime is 1148231671. The reversal of 1148231666 is 6661328411.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25400 + ... + 54236.

It is an arithmetic number, because the mean of its divisors is an integer number (110391864).

Almost surely, 2^1148231666 is an apocalyptic number.

1148231666 is a deficient number, since it is larger than the sum of its proper divisors (618038158).

1148231666 is a wasteful number, since it uses less digits than its factorization.

1148231666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29345.

The product of its digits is 41472, while the sum is 38.

The square root of 1148231666 is about 33885.5672226392. The cubic root of 1148231666 is about 1047.1522733243.

The spelling of 1148231666 in words is "one billion, one hundred forty-eight million, two hundred thirty-one thousand, six hundred sixty-six".