1166881802 has 16 divisors (see below), whose sum is σ = 1903373640. Its totient is φ = 534279168.

The previous prime is 1166881799. The next prime is 1166881813. The reversal of 1166881802 is 2081886611.

It can be written as a sum of positive squares in 4 ways, for example, as 1048529161 + 118352641 = 32381^2 + 10879^2 .

It is a super-2 number, since 2×1166881802² = 2723226279677534408, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1166881802.

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, 462527 + ... + 465042.

Almost surely, 2^1166881802 is an apocalyptic number.

1166881802 is a deficient number, since it is larger than the sum of its proper divisors (736491838).

1166881802 is a wasteful number, since it uses less digits than its factorization.

1166881802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 927625.

The product of its (nonzero) digits is 36864, while the sum is 41.

The square root of 1166881802 is about 34159.6516668423. The cubic root of 1166881802 is about 1052.7913038289.

The spelling of 1166881802 in words is "one billion, one hundred sixty-six million, eight hundred eighty-one thousand, eight hundred two".