116161651 has 4 divisors (see below), whose sum is σ = 118994904. Its totient is φ = 113328400.

The previous prime is 116161601. The next prime is 116161657. The reversal of 116161651 is 156161611.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 116161651 - 2⁹ = 116161139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (116161657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1416565 + ... + 1416646.

It is an arithmetic number, because the mean of its divisors is an integer number (29748726).

Almost surely, 2^116161651 is an apocalyptic number.

116161651 is a deficient number, since it is larger than the sum of its proper divisors (2833253).

116161651 is an equidigital number, since it uses as much as digits as its factorization.

116161651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2833252.

The product of its digits is 1080, while the sum is 28.

The square root of 116161651 is about 10777.8314609201. The cubic root of 116161651 is about 487.9263345649.

The spelling of 116161651 in words is "one hundred sixteen million, one hundred sixty-one thousand, six hundred fifty-one".