167006645 has 12 divisors (see below), whose sum is σ = 217010916. Its totient is φ = 123327360.

The previous prime is 167006633. The next prime is 167006659. The reversal of 167006645 is 546600761.

It can be written as a sum of positive squares in 6 ways, for example, as 44970436 + 122036209 = 6706^2 + 11047^2 .

It is not a de Polignac number, because 167006645 - 2¹⁴ = 166990261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 97976 + ... + 99665.

It is an arithmetic number, because the mean of its divisors is an integer number (18084243).

Almost surely, 2^167006645 is an apocalyptic number.

It is an amenable number.

167006645 is a deficient number, since it is larger than the sum of its proper divisors (50004271).

167006645 is a wasteful number, since it uses less digits than its factorization.

167006645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197672 (or 197659 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 167006645 is about 12923.1050835316. The cubic root of 167006645 is about 550.6951485752.

The spelling of 167006645 in words is "one hundred sixty-seven million, six thousand, six hundred forty-five".