1161662015 has 8 divisors (see below), whose sum is σ = 1404971520. Its totient is φ = 922011552.

The previous prime is 1161661999. The next prime is 1161662069. The reversal of 1161662015 is 5102661611.

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

It is a cyclic number.

It is not a de Polignac number, because 1161662015 - 2⁴ = 1161661999 is a prime.

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, 914060 + ... + 915329.

It is an arithmetic number, because the mean of its divisors is an integer number (175621440).

Almost surely, 2^1161662015 is an apocalyptic number.

1161662015 is a deficient number, since it is larger than the sum of its proper divisors (243309505).

1161662015 is a wasteful number, since it uses less digits than its factorization.

1161662015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1829521.

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 1161662015 is about 34083.1632188094. The cubic root of 1161662015 is about 1051.2191477780.

The spelling of 1161662015 in words is "one billion, one hundred sixty-one million, six hundred sixty-two thousand, fifteen".