1163006397 has 64 divisors (see below), whose sum is σ = 2194790400. Its totient is φ = 592531200.

The previous prime is 1163006381. The next prime is 1163006491. The reversal of 1163006397 is 7936003611.

1163006397 is a `hidden beast` number, since 1 + 16 + 3 + 0 + 0 + 639 + 7 = 666.

It is not a de Polignac number, because 1163006397 - 2⁴ = 1163006381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1163006357) 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, 51522 + ... + 70572.

It is an arithmetic number, because the mean of its divisors is an integer number (34293600).

Almost surely, 2^1163006397 is an apocalyptic number.

1163006397 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1163006397 is a deficient number, since it is larger than the sum of its proper divisors (1031784003).

1163006397 is a wasteful number, since it uses less digits than its factorization.

1163006397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19103 (or 19097 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 36.

The square root of 1163006397 is about 34102.8795998227. The cubic root of 1163006397 is about 1051.6245138987.

The spelling of 1163006397 in words is "one billion, one hundred sixty-three million, six thousand, three hundred ninety-seven".