66167038 has 16 divisors (see below), whose sum is σ = 117341280. Its totient is φ = 27379296.

The previous prime is 66167029. The next prime is 66167041. The reversal of 66167038 is 83076166.

It is a junction number, because it is equal to n+sod(n) for n = 66166988 and 66167006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81081 + ... + 81892.

It is an arithmetic number, because the mean of its divisors is an integer number (7333830).

Almost surely, 2^66167038 is an apocalyptic number.

66167038 is a deficient number, since it is larger than the sum of its proper divisors (51174242).

66167038 is a wasteful number, since it uses less digits than its factorization.

66167038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163011.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 66167038 is about 8134.3123864282. The cubic root of 66167038 is about 404.4646444703.

Subtracting from 66167038 its product of nonzero digits (36288), we obtain a triangular number (66130750 = T₁₁₅₀₀).

The spelling of 66167038 in words is "sixty-six million, one hundred sixty-seven thousand, thirty-eight".