116640493 has 2 divisors, whose sum is σ = 116640494. Its totient is φ = 116640492.

The previous prime is 116640473. The next prime is 116640497. The reversal of 116640493 is 394046611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 80604484 + 36036009 = 8978^2 + 6003^2 .

It is a cyclic number.

It is not a de Polignac number, because 116640493 - 2¹³ = 116632301 is a prime.

It is a super-3 number, since 3×116640493³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (116640497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58320246 + 58320247.

It is an arithmetic number, because the mean of its divisors is an integer number (58320247).

Almost surely, 2^116640493 is an apocalyptic number.

It is an amenable number.

116640493 is a deficient number, since it is larger than the sum of its proper divisors (1).

116640493 is an equidigital number, since it uses as much as digits as its factorization.

116640493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 116640493 is about 10800.0228240500. The cubic root of 116640493 is about 488.5958593647.

The spelling of 116640493 in words is "one hundred sixteen million, six hundred forty thousand, four hundred ninety-three".