1163494761 has 64 divisors (see below), whose sum is σ = 1932215040. Its totient is φ = 612864000.

The previous prime is 1163494751. The next prime is 1163494771. The reversal of 1163494761 is 1674943611.

It is an interprime number because it is at equal distance from previous prime (1163494751) and next prime (1163494771).

It is not a de Polignac number, because 1163494761 - 2¹⁴ = 1163478377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1163494751) 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, 508941 + ... + 511221.

It is an arithmetic number, because the mean of its divisors is an integer number (30190860).

Almost surely, 2^1163494761 is an apocalyptic number.

1163494761 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1163494761 is a deficient number, since it is larger than the sum of its proper divisors (768720279).

1163494761 is a wasteful number, since it uses less digits than its factorization.

1163494761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2378.

The product of its digits is 108864, while the sum is 42.

The square root of 1163494761 is about 34110.0390061342. The cubic root of 1163494761 is about 1051.7716909867.

The spelling of 1163494761 in words is "one billion, one hundred sixty-three million, four hundred ninety-four thousand, seven hundred sixty-one".