116557810 has 8 divisors (see below), whose sum is σ = 209804076. Its totient is φ = 46623120.

The previous prime is 116557751. The next prime is 116557829. The reversal of 116557810 is 18755611.

It can be written as a sum of positive squares in 2 ways, for example, as 115283169 + 1274641 = 10737^2 + 1129^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×116557810² = 27171446143992200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5827881 + ... + 5827900.

Almost surely, 2^116557810 is an apocalyptic number.

116557810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

116557810 is a deficient number, since it is larger than the sum of its proper divisors (93246266).

116557810 is a wasteful number, since it uses less digits than its factorization.

116557810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11655788.

The product of its (nonzero) digits is 8400, while the sum is 34.

The square root of 116557810 is about 10796.1942368596. The cubic root of 116557810 is about 488.4803816835.

The spelling of 116557810 in words is "one hundred sixteen million, five hundred fifty-seven thousand, eight hundred ten".