1164211690 has 16 divisors (see below), whose sum is σ = 2106115200. Its totient is φ = 463343760.

The previous prime is 1164211679. The next prime is 1164211691. The reversal of 1164211690 is 961124611.

It is a super-2 number, since 2×1164211690² = 2710777718265312200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1164211691) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 290526 + ... + 294505.

It is an arithmetic number, because the mean of its divisors is an integer number (131632200).

Almost surely, 2^1164211690 is an apocalyptic number.

1164211690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1164211690 is a deficient number, since it is larger than the sum of its proper divisors (941903510).

1164211690 is a wasteful number, since it uses less digits than its factorization.

1164211690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 585237.

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 1164211690 is about 34120.5464493170. The cubic root of 1164211690 is about 1051.9876755726.

It can be divided in two parts, 11642 and 11690, that added together give a palindrome (23332).

The spelling of 1164211690 in words is "one billion, one hundred sixty-four million, two hundred eleven thousand, six hundred ninety".