1186546745 has 16 divisors (see below), whose sum is σ = 1493145360. Its totient is φ = 903942144.

The previous prime is 1186546727. The next prime is 1186546759. The reversal of 1186546745 is 5476456811.

It can be written as a sum of positive squares in 8 ways, for example, as 157609 + 1186389136 = 397^2 + 34444^2 .

It is a cyclic number.

It is not a de Polignac number, because 1186546745 - 2⁶ = 1186546681 is a prime.

It is a super-3 number, since 3×1186546745³ (a number of 28 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1186546745.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45464 + ... + 66633.

It is an arithmetic number, because the mean of its divisors is an integer number (93321585).

Almost surely, 2^1186546745 is an apocalyptic number.

It is an amenable number.

1186546745 is a deficient number, since it is larger than the sum of its proper divisors (306598615).

1186546745 is a wasteful number, since it uses less digits than its factorization.

1186546745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112204.

The product of its digits is 806400, while the sum is 47.

The square root of 1186546745 is about 34446.2878261214. The cubic root of 1186546745 is about 1058.6724644192.

The spelling of 1186546745 in words is "one billion, one hundred eighty-six million, five hundred forty-six thousand, seven hundred forty-five".