116820518 has 4 divisors (see below), whose sum is σ = 175230780. Its totient is φ = 58410258.

The previous prime is 116820491. The next prime is 116820527. The reversal of 116820518 is 815028611.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29205128 + ... + 29205131.

It is an arithmetic number, because the mean of its divisors is an integer number (43807695).

Almost surely, 2^116820518 is an apocalyptic number.

116820518 is a deficient number, since it is larger than the sum of its proper divisors (58410262).

116820518 is an equidigital number, since it uses as much as digits as its factorization.

116820518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58410261.

The product of its (nonzero) digits is 3840, while the sum is 32.

The square root of 116820518 is about 10808.3540837632. The cubic root of 116820518 is about 488.8470993167.

The spelling of 116820518 in words is "one hundred sixteen million, eight hundred twenty thousand, five hundred eighteen".