2045166892 has 12 divisors (see below), whose sum is σ = 3579611056. Its totient is φ = 1022420880.

The previous prime is 2045166889. The next prime is 2045166899. The reversal of 2045166892 is 2986615402.

It is a super-2 number, since 2×2045166892² = 8365415232265879328, which contains 22 as substring.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (2045166899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9723 + ... + 64690.

Almost surely, 2^2045166892 is an apocalyptic number.

It is an amenable number.

2045166892 is a deficient number, since it is larger than the sum of its proper divisors (1534444164).

2045166892 is a wasteful number, since it uses less digits than its factorization.

2045166892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81288 (or 81286 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 43.

The square root of 2045166892 is about 45223.5214462563. The cubic root of 2045166892 is about 1269.3349881904.

The spelling of 2045166892 in words is "two billion, forty-five million, one hundred sixty-six thousand, eight hundred ninety-two".