166007322 has 24 divisors (see below), whose sum is σ = 387350964. Its totient is φ = 51079104.

The previous prime is 166007321. The next prime is 166007323. The reversal of 166007322 is 223700661.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (166007321) and next prime (166007323).

It can be written as a sum of positive squares in 2 ways, for example, as 129754881 + 36252441 = 11391^2 + 6021^2 .

It is a super-2 number, since 2×166007322² = 55116861915223368, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (166007321) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 354483 + ... + 354950.

Almost surely, 2^166007322 is an apocalyptic number.

166007322 is an abundant number, since it is smaller than the sum of its proper divisors (221343642).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

166007322 is a wasteful number, since it uses less digits than its factorization.

166007322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 709454 (or 709451 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 166007322 is about 12884.3828722993. The cubic root of 166007322 is about 549.5945463568.

Adding to 166007322 its reverse (223700661), we get a palindrome (389707983).

The spelling of 166007322 in words is "one hundred sixty-six million, seven thousand, three hundred twenty-two".