116162021 has 2 divisors, whose sum is σ = 116162022. Its totient is φ = 116162020.

The previous prime is 116161993. The next prime is 116162077. The reversal of 116162021 is 120261611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 95277121 + 20884900 = 9761^2 + 4570^2 .

It is a cyclic number.

It is not a de Polignac number, because 116162021 - 2¹⁴ = 116145637 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 116161984 and 116162002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (116162621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58081010 + 58081011.

It is an arithmetic number, because the mean of its divisors is an integer number (58081011).

Almost surely, 2^116162021 is an apocalyptic number.

It is an amenable number.

116162021 is a deficient number, since it is larger than the sum of its proper divisors (1).

116162021 is an equidigital number, since it uses as much as digits as its factorization.

116162021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 116162021 is about 10777.8486257694. The cubic root of 116162021 is about 487.9268526147.

The spelling of 116162021 in words is "one hundred sixteen million, one hundred sixty-two thousand, twenty-one".