1167406563 has 8 divisors (see below), whose sum is σ = 1556705808. Its totient is φ = 778189184.

The previous prime is 1167406549. The next prime is 1167406579. The reversal of 1167406563 is 3656047611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1167406563 - 2⁸ = 1167406307 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1167406523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32095 + ... + 58007.

It is an arithmetic number, because the mean of its divisors is an integer number (194588226).

Almost surely, 2^1167406563 is an apocalyptic number.

1167406563 is a deficient number, since it is larger than the sum of its proper divisors (389299245).

1167406563 is a wasteful number, since it uses less digits than its factorization.

1167406563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40933.

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 1167406563 is about 34167.3318097858. The cubic root of 1167406563 is about 1052.9490978804.

The spelling of 1167406563 in words is "one billion, one hundred sixty-seven million, four hundred six thousand, five hundred sixty-three".