1167673645 has 16 divisors (see below), whose sum is σ = 1519823088. Its totient is φ = 857743360.

The previous prime is 1167673627. The next prime is 1167673649. The reversal of 1167673645 is 5463767611.

It can be written as a sum of positive squares in 8 ways, for example, as 10381284 + 1157292361 = 3222^2 + 34019^2 .

It is not a de Polignac number, because 1167673645 - 2⁵ = 1167673613 is a prime.

It is a super-3 number, since 3×1167673645³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1167673595 and 1167673604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1167673649) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 164044 + ... + 171013.

It is an arithmetic number, because the mean of its divisors is an integer number (94988943).

Almost surely, 2^1167673645 is an apocalyptic number.

It is an amenable number.

1167673645 is a deficient number, since it is larger than the sum of its proper divisors (352149443).

1167673645 is a wasteful number, since it uses less digits than its factorization.

1167673645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335120.

The product of its digits is 635040, while the sum is 46.

The square root of 1167673645 is about 34171.2400272510. The cubic root of 1167673645 is about 1053.0293904755.

The spelling of 1167673645 in words is "one billion, one hundred sixty-seven million, six hundred seventy-three thousand, six hundred forty-five".