1170667651 has 4 divisors (see below), whose sum is σ = 1239530472. Its totient is φ = 1101804832.

The previous prime is 1170667643. The next prime is 1170667717. The reversal of 1170667651 is 1567660711.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1170667651 - 2³ = 1170667643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1170667451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34431385 + ... + 34431418.

It is an arithmetic number, because the mean of its divisors is an integer number (309882618).

Almost surely, 2^1170667651 is an apocalyptic number.

1170667651 is a deficient number, since it is larger than the sum of its proper divisors (68862821).

1170667651 is an equidigital number, since it uses as much as digits as its factorization.

1170667651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68862820.

The product of its (nonzero) digits is 52920, while the sum is 40.

The square root of 1170667651 is about 34215.0208388070. The cubic root of 1170667651 is about 1053.9286387384.

The spelling of 1170667651 in words is "one billion, one hundred seventy million, six hundred sixty-seven thousand, six hundred fifty-one".