116820151 has 16 divisors (see below), whose sum is σ = 146649600. Its totient is φ = 90734688.

The previous prime is 116820127. The next prime is 116820181. The reversal of 116820151 is 151028611.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 116820151 - 2¹¹ = 116818103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116820101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16036 + ... + 22153.

It is an arithmetic number, because the mean of its divisors is an integer number (9165600).

Almost surely, 2^116820151 is an apocalyptic number.

116820151 is a deficient number, since it is larger than the sum of its proper divisors (29829449).

116820151 is a wasteful number, since it uses less digits than its factorization.

116820151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38238.

The product of its (nonzero) digits is 480, while the sum is 25.

The square root of 116820151 is about 10808.3371061417. The cubic root of 116820151 is about 488.8465874002.

Adding to 116820151 its reverse (151028611), we get a palindrome (267848762).

The spelling of 116820151 in words is "one hundred sixteen million, eight hundred twenty thousand, one hundred fifty-one".