1167999790 has 32 divisors (see below), whose sum is σ = 2228446080. Its totient is φ = 439248384.

The previous prime is 1167999769. The next prime is 1167999793. The reversal of 1167999790 is 979997611.

It is a super-4 number, since 4×1167999790⁴ (a number of 37 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1167999793) 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, 184396 + ... + 190624.

It is an arithmetic number, because the mean of its divisors is an integer number (69638940).

Almost surely, 2^1167999790 is an apocalyptic number.

1167999790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1167999790 is a deficient number, since it is larger than the sum of its proper divisors (1060446290).

1167999790 is a wasteful number, since it uses less digits than its factorization.

1167999790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7356.

The product of its (nonzero) digits is 1928934, while the sum is 58.

The square root of 1167999790 is about 34176.0119089399. The cubic root of 1167999790 is about 1053.1274225188.

The spelling of 1167999790 in words is "one billion, one hundred sixty-seven million, nine hundred ninety-nine thousand, seven hundred ninety".