116436870621 has 6 divisors (see below), whose sum is σ = 168186590910. Its totient is φ = 77624580408.

The previous prime is 116436870619. The next prime is 116436870623. The reversal of 116436870621 is 126078634611.

116436870621 is a `hidden beast` number, since 1 + 16 + 4 + 3 + 6 + 8 + 7 + 0 + 621 = 666.

It is an interprime number because it is at equal distance from previous prime (116436870619) and next prime (116436870623).

It can be written as a sum of positive squares in only one way, i.e., 107937874521 + 8498996100 = 328539^2 + 92190^2 .

It is not a de Polignac number, because 116436870621 - 2¹ = 116436870619 is a prime.

It is a super-2 number, since 2×116436870621² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116436870623) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6468715026 + ... + 6468715043.

It is an arithmetic number, because the mean of its divisors is an integer number (28031098485).

Almost surely, 2^116436870621 is an apocalyptic number.

It is an amenable number.

116436870621 is a deficient number, since it is larger than the sum of its proper divisors (51749720289).

116436870621 is a wasteful number, since it uses less digits than its factorization.

116436870621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12937430075 (or 12937430072 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The spelling of 116436870621 in words is "one hundred sixteen billion, four hundred thirty-six million, eight hundred seventy thousand, six hundred twenty-one".