1163540090 has 32 divisors (see below), whose sum is σ = 2129877504. Its totient is φ = 457554240.

The previous prime is 1163540089. The next prime is 1163540093. The reversal of 1163540090 is 900453611.

It is not an unprimeable number, because it can be changed into a prime (1163540093) 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, 405260 + ... + 408120.

It is an arithmetic number, because the mean of its divisors is an integer number (66558672).

Almost surely, 2^1163540090 is an apocalyptic number.

1163540090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1163540090 is a deficient number, since it is larger than the sum of its proper divisors (966337414).

1163540090 is a wasteful number, since it uses less digits than its factorization.

1163540090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3542.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 1163540090 is about 34110.7034521424. The cubic root of 1163540090 is about 1051.7853495900.

The spelling of 1163540090 in words is "one billion, one hundred sixty-three million, five hundred forty thousand, ninety".