1045666512 has 90 divisors (see below), whose sum is σ = 3216690386. Its totient is φ = 316863360.

The previous prime is 1045666507. The next prime is 1045666537. The reversal of 1045666512 is 2156665401.

It can be written as a sum of positive squares in only one way, i.e., 978688656 + 66977856 = 31284^2 + 8184^2 .

It is a super-2 number, since 2×1045666512² = 2186836908636492288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 12583 + ... + 47430.

Almost surely, 2^1045666512 is an apocalyptic number.

1045666512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1045666512 is an abundant number, since it is smaller than the sum of its proper divisors (2171023874).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1045666512 is a wasteful number, since it uses less digits than its factorization.

1045666512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60049 (or 60029 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 1045666512 is about 32336.7671853573. The cubic root of 1045666512 is about 1014.9961616654.

The spelling of 1045666512 in words is "one billion, forty-five million, six hundred sixty-six thousand, five hundred twelve".