66016252515043 has 2 divisors, whose sum is σ = 66016252515044. Its totient is φ = 66016252515042.

The previous prime is 66016252515023. The next prime is 66016252515181. The reversal of 66016252515043 is 34051525261066.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 66016252515043 - 2¹³ = 66016252506851 is a prime.

It is a super-2 number, since 2×66016252515043² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 66016252514984 and 66016252515002.

It is not a weakly prime, because it can be changed into another prime (66016252515023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33008126257521 + 33008126257522.

It is an arithmetic number, because the mean of its divisors is an integer number (33008126257522).

Almost surely, 2^{66016252515043} is an apocalyptic number.

66016252515043 is a deficient number, since it is larger than the sum of its proper divisors (1).

66016252515043 is an equidigital number, since it uses as much as digits as its factorization.

66016252515043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296000, while the sum is 46.

The spelling of 66016252515043 in words is "sixty-six trillion, sixteen billion, two hundred fifty-two million, five hundred fifteen thousand, forty-three".