1163362785 has 64 divisors (see below), whose sum is σ = 2136492288. Its totient is φ = 535486464.

The previous prime is 1163362691. The next prime is 1163362789. The reversal of 1163362785 is 5872633611.

It is not a de Polignac number, because 1163362785 - 2¹² = 1163358689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1163362789) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 539269 + ... + 541421.

It is an arithmetic number, because the mean of its divisors is an integer number (33382692).

Almost surely, 2^1163362785 is an apocalyptic number.

1163362785 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1163362785 is a deficient number, since it is larger than the sum of its proper divisors (973129503).

1163362785 is a wasteful number, since it uses less digits than its factorization.

1163362785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2354.

The product of its digits is 181440, while the sum is 42.

The square root of 1163362785 is about 34108.1043888399. The cubic root of 1163362785 is about 1051.7319217576.

The spelling of 1163362785 in words is "one billion, one hundred sixty-three million, three hundred sixty-two thousand, seven hundred eighty-five".