1047661166 has 8 divisors (see below), whose sum is σ = 1572421800. Its totient is φ = 523520568.

The previous prime is 1047661141. The next prime is 1047661187. The reversal of 1047661166 is 6611667401.

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

It is a congruent number.

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, 150761 + ... + 157556.

It is an arithmetic number, because the mean of its divisors is an integer number (196552725).

Almost surely, 2^1047661166 is an apocalyptic number.

1047661166 is a deficient number, since it is larger than the sum of its proper divisors (524760634).

1047661166 is a wasteful number, since it uses less digits than its factorization.

1047661166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310018.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 1047661166 is about 32367.5943808001. The cubic root of 1047661166 is about 1015.6411347288.

The spelling of 1047661166 in words is "one billion, forty-seven million, six hundred sixty-one thousand, one hundred sixty-six".