1164210638 has 16 divisors (see below), whose sum is σ = 1804633776. Its totient is φ = 562934400.

The previous prime is 1164210629. The next prime is 1164210653. The reversal of 1164210638 is 8360124611.

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, 58331 + ... + 75702.

It is an arithmetic number, because the mean of its divisors is an integer number (112789611).

Almost surely, 2^1164210638 is an apocalyptic number.

1164210638 is a deficient number, since it is larger than the sum of its proper divisors (640423138).

1164210638 is a wasteful number, since it uses less digits than its factorization.

1164210638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134179.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 1164210638 is about 34120.5310333822. The cubic root of 1164210638 is about 1051.9873587083.

The spelling of 1164210638 in words is "one billion, one hundred sixty-four million, two hundred ten thousand, six hundred thirty-eight".