1163653460 has 24 divisors (see below), whose sum is σ = 2485092960. Its totient is φ = 457571744.

The previous prime is 1163653459. The next prime is 1163653483. The reversal of 1163653460 is 643563611.

It is a self number, because there is not a number n which added to its sum of digits gives 1163653460.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 491894 + ... + 494253.

It is an arithmetic number, because the mean of its divisors is an integer number (103545540).

Almost surely, 2^1163653460 is an apocalyptic number.

1163653460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1163653460 is an abundant number, since it is smaller than the sum of its proper divisors (1321439500).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1163653460 is a wasteful number, since it uses less digits than its factorization.

1163653460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 986215 (or 986213 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 1163653460 is about 34112.3652067692. The cubic root of 1163653460 is about 1051.8195088577.

The spelling of 1163653460 in words is "one billion, one hundred sixty-three million, six hundred fifty-three thousand, four hundred sixty".