116720351 has 24 divisors (see below), whose sum is σ = 137032560. Its totient is φ = 98996480.

The previous prime is 116720341. The next prime is 116720353. The reversal of 116720351 is 153027611.

It is not a de Polignac number, because 116720351 - 2¹⁸ = 116458207 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 116720351.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116720353) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 368045 + ... + 368361.

It is an arithmetic number, because the mean of its divisors is an integer number (5709690).

Almost surely, 2^116720351 is an apocalyptic number.

116720351 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

116720351 is a deficient number, since it is larger than the sum of its proper divisors (20312209).

116720351 is a wasteful number, since it uses less digits than its factorization.

116720351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535 (or 524 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 116720351 is about 10803.7193132736. The cubic root of 116720351 is about 488.7073397659.

Adding to 116720351 its reverse (153027611), we get a palindrome (269747962).

The spelling of 116720351 in words is "one hundred sixteen million, seven hundred twenty thousand, three hundred fifty-one".