66617167022 has 32 divisors (see below), whose sum is σ = 115434408960. Its totient is φ = 28242597600.

The previous prime is 66617167021. The next prime is 66617167157. The reversal of 66617167022 is 22076171666.

66617167022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66617167021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1018379 + ... + 1081817.

It is an arithmetic number, because the mean of its divisors is an integer number (3607325280).

Almost surely, 2^66617167022 is an apocalyptic number.

66617167022 is a deficient number, since it is larger than the sum of its proper divisors (48817241938).

66617167022 is a wasteful number, since it uses less digits than its factorization.

66617167022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64256.

The product of its (nonzero) digits is 254016, while the sum is 44.

The spelling of 66617167022 in words is "sixty-six billion, six hundred seventeen million, one hundred sixty-seven thousand, twenty-two".