1163764255 has 16 divisors (see below), whose sum is σ = 1434226464. Its totient is φ = 906030720.

The previous prime is 1163764183. The next prime is 1163764271. The reversal of 1163764255 is 5524673611.

It is not a de Polignac number, because 1163764255 - 2⁷ = 1163764127 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 49785 + ... + 69325.

It is an arithmetic number, because the mean of its divisors is an integer number (89639154).

Almost surely, 2^1163764255 is an apocalyptic number.

1163764255 is a deficient number, since it is larger than the sum of its proper divisors (270462209).

1163764255 is a wasteful number, since it uses less digits than its factorization.

1163764255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19866.

The product of its digits is 151200, while the sum is 40.

The square root of 1163764255 is about 34113.9891393545. The cubic root of 1163764255 is about 1051.8528901143.

The spelling of 1163764255 in words is "one billion, one hundred sixty-three million, seven hundred sixty-four thousand, two hundred fifty-five".