116161155 has 128 divisors (see below), whose sum is σ = 248832000. Its totient is φ = 50751360.

The previous prime is 116161151. The next prime is 116161181. The reversal of 116161155 is 551161611.

It is not a de Polignac number, because 116161155 - 2² = 116161151 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (116161151) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 648856 + ... + 649034.

It is an arithmetic number, because the mean of its divisors is an integer number (1944000).

Almost surely, 2^116161155 is an apocalyptic number.

116161155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

116161155 is an abundant number, since it is smaller than the sum of its proper divisors (132670845).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

116161155 is a wasteful number, since it uses less digits than its factorization.

116161155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246 (or 240 counting only the distinct ones).

The product of its digits is 900, while the sum is 27.

The square root of 116161155 is about 10777.8084507009. The cubic root of 116161155 is about 487.9256400964.

The spelling of 116161155 in words is "one hundred sixteen million, one hundred sixty-one thousand, one hundred fifty-five".