1416566645 has 32 divisors (see below), whose sum is σ = 1891911168. Its totient is φ = 1011426048.

The previous prime is 1416566621. The next prime is 1416566647. The reversal of 1416566645 is 5466656141.

It is a cyclic number.

It is not a de Polignac number, because 1416566645 - 2⁶ = 1416566581 is a prime.

It is a super-2 number, since 2×1416566645² = 4013322119453112050, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1416566596 and 1416566605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1416566647) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 399872 + ... + 403398.

It is an arithmetic number, because the mean of its divisors is an integer number (59122224).

Almost surely, 2^1416566645 is an apocalyptic number.

It is an amenable number.

1416566645 is a deficient number, since it is larger than the sum of its proper divisors (475344523).

1416566645 is a wasteful number, since it uses less digits than its factorization.

1416566645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3749.

The product of its digits is 518400, while the sum is 44.

The square root of 1416566645 is about 37637.3039018472. The cubic root of 1416566645 is about 1123.0842509861.

The spelling of 1416566645 in words is "one billion, four hundred sixteen million, five hundred sixty-six thousand, six hundred forty-five".