1167909801 has 24 divisors (see below), whose sum is σ = 1636809216. Its totient is φ = 740662560.

The previous prime is 1167909797. The next prime is 1167909811. The reversal of 1167909801 is 1089097611.

It is not a de Polignac number, because 1167909801 - 2² = 1167909797 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1167909811) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 301191 + ... + 305043.

It is an arithmetic number, because the mean of its divisors is an integer number (68200384).

Almost surely, 2^1167909801 is an apocalyptic number.

It is an amenable number.

1167909801 is a deficient number, since it is larger than the sum of its proper divisors (468899415).

1167909801 is a wasteful number, since it uses less digits than its factorization.

1167909801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4093 (or 4070 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 42.

The square root of 1167909801 is about 34174.6953314876. The cubic root of 1167909801 is about 1053.1003756196.

The spelling of 1167909801 in words is "one billion, one hundred sixty-seven million, nine hundred nine thousand, eight hundred one".