116556405 has 16 divisors (see below), whose sum is σ = 213131904. Its totient is φ = 53282880.

The previous prime is 116556389. The next prime is 116556443. The reversal of 116556405 is 504655611.

It is not a de Polignac number, because 116556405 - 2⁴ = 116556389 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 554926 + ... + 555135.

It is an arithmetic number, because the mean of its divisors is an integer number (13320744).

Almost surely, 2^116556405 is an apocalyptic number.

116556405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

116556405 is a deficient number, since it is larger than the sum of its proper divisors (96575499).

116556405 is a wasteful number, since it uses less digits than its factorization.

116556405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1110076.

The product of its (nonzero) digits is 18000, while the sum is 33.

The square root of 116556405 is about 10796.1291674377. The cubic root of 116556405 is about 488.4784189444.

The spelling of 116556405 in words is "one hundred sixteen million, five hundred fifty-six thousand, four hundred five".