1163601406 has 16 divisors (see below), whose sum is σ = 1922930928. Its totient is φ = 523672000.

The previous prime is 1163601389. The next prime is 1163601409. The reversal of 1163601406 is 6041063611.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1163601409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 259615 + ... + 264058.

It is an arithmetic number, because the mean of its divisors is an integer number (120183183).

Almost surely, 2^1163601406 is an apocalyptic number.

1163601406 is a deficient number, since it is larger than the sum of its proper divisors (759329522).

1163601406 is a wasteful number, since it uses less digits than its factorization.

1163601406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523787.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 1163601406 is about 34111.6022197727. The cubic root of 1163601406 is about 1051.8038248559.

The spelling of 1163601406 in words is "one billion, one hundred sixty-three million, six hundred one thousand, four hundred six".