1186106690 has 16 divisors (see below), whose sum is σ = 2136075840. Its totient is φ = 474201840.

The previous prime is 1186106689. The next prime is 1186106693. The reversal of 1186106690 is 966016811.

It is a super-2 number, since 2×1186106690² = 2813698160125512200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1186106693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8696 + ... + 49475.

It is an arithmetic number, because the mean of its divisors is an integer number (133504740).

Almost surely, 2^1186106690 is an apocalyptic number.

1186106690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1186106690 is a deficient number, since it is larger than the sum of its proper divisors (949969150).

1186106690 is a wasteful number, since it uses less digits than its factorization.

1186106690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60217.

The product of its (nonzero) digits is 15552, while the sum is 38.

The square root of 1186106690 is about 34439.8996804578. The cubic root of 1186106690 is about 1058.5415714959.

The spelling of 1186106690 in words is "one billion, one hundred eighty-six million, one hundred six thousand, six hundred ninety".