116201601 has 8 divisors (see below), whose sum is σ = 172150560. Its totient is φ = 77467716.

The previous prime is 116201581. The next prime is 116201627. The reversal of 116201601 is 106102611.

116201601 is a `hidden beast` number, since 1 + 1 + 62 + 0 + 1 + 601 = 666.

It is not a de Polignac number, because 116201601 - 2¹⁹ = 115677313 is a prime.

It is a super-3 number, since 3×116201601³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (116201801) 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, 2151855 + ... + 2151908.

It is an arithmetic number, because the mean of its divisors is an integer number (21518820).

Almost surely, 2^116201601 is an apocalyptic number.

It is an amenable number.

116201601 is a deficient number, since it is larger than the sum of its proper divisors (55948959).

116201601 is an equidigital number, since it uses as much as digits as its factorization.

116201601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4303772 (or 4303766 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The square root of 116201601 is about 10779.6846428826. The cubic root of 116201601 is about 487.9822635877.

The spelling of 116201601 in words is "one hundred sixteen million, two hundred one thousand, six hundred one".