1161164615 has 8 divisors (see below), whose sum is σ = 1500582048. Its totient is φ = 857475360.

The previous prime is 1161164603. The next prime is 1161164633. The reversal of 1161164615 is 5164611611.

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

It is not a de Polignac number, because 1161164615 - 2⁸ = 1161164359 is a prime.

It is a Duffinian number.

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, 8931971 + ... + 8932100.

It is an arithmetic number, because the mean of its divisors is an integer number (187572756).

Almost surely, 2^1161164615 is an apocalyptic number.

1161164615 is a deficient number, since it is larger than the sum of its proper divisors (339417433).

1161164615 is a wasteful number, since it uses less digits than its factorization.

1161164615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17864089.

The product of its digits is 4320, while the sum is 32.

The square root of 1161164615 is about 34075.8655796151. The cubic root of 1161164615 is about 1051.0690894870.

The spelling of 1161164615 in words is "one billion, one hundred sixty-one million, one hundred sixty-four thousand, six hundred fifteen".