1152646863 has 16 divisors (see below), whose sum is σ = 1640981760. Its totient is φ = 717925824.

The previous prime is 1152646849. The next prime is 1152646877. The reversal of 1152646863 is 3686462511.

It is an interprime number because it is at equal distance from previous prime (1152646849) and next prime (1152646877).

It is not a de Polignac number, because 1152646863 - 2⁹ = 1152646351 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1152646823) 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, 191278 + ... + 197211.

It is an arithmetic number, because the mean of its divisors is an integer number (102561360).

Almost surely, 2^1152646863 is an apocalyptic number.

1152646863 is a deficient number, since it is larger than the sum of its proper divisors (488334897).

1152646863 is a wasteful number, since it uses less digits than its factorization.

1152646863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388558.

The product of its digits is 207360, while the sum is 42.

The square root of 1152646863 is about 33950.6533515925. The cubic root of 1152646863 is about 1048.4927316923.

The spelling of 1152646863 in words is "one billion, one hundred fifty-two million, six hundred forty-six thousand, eight hundred sixty-three".