1166523670 has 16 divisors (see below), whose sum is σ = 2261261520. Its totient is φ = 430716384.

The previous prime is 1166523661. The next prime is 1166523727. The reversal of 1166523670 is 763256611.

It is a congruent number.

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, 4486500 + ... + 4486759.

It is an arithmetic number, because the mean of its divisors is an integer number (141328845).

Almost surely, 2^1166523670 is an apocalyptic number.

1166523670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1166523670 is a deficient number, since it is larger than the sum of its proper divisors (1094737850).

1166523670 is a wasteful number, since it uses less digits than its factorization.

1166523670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8973279.

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 1166523670 is about 34154.4092321914. The cubic root of 1166523670 is about 1052.6835874536.

The spelling of 1166523670 in words is "one billion, one hundred sixty-six million, five hundred twenty-three thousand, six hundred seventy".