1165010651 has 16 divisors (see below), whose sum is σ = 1390362624. Its totient is φ = 954453984.

The previous prime is 1165010647. The next prime is 1165010657. The reversal of 1165010651 is 1560105611.

It is a cyclic number.

It is not a de Polignac number, because 1165010651 - 2² = 1165010647 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1165010651.

It is not an unprimeable number, because it can be changed into a prime (1165010657) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 431261 + ... + 433953.

It is an arithmetic number, because the mean of its divisors is an integer number (86897664).

Almost surely, 2^1165010651 is an apocalyptic number.

1165010651 is a deficient number, since it is larger than the sum of its proper divisors (225351973).

1165010651 is a wasteful number, since it uses less digits than its factorization.

1165010651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5410.

The product of its (nonzero) digits is 900, while the sum is 26.

The square root of 1165010651 is about 34132.2523575577. The cubic root of 1165010651 is about 1052.2282689678.

The spelling of 1165010651 in words is "one billion, one hundred sixty-five million, ten thousand, six hundred fifty-one".