167620601 has 2 divisors, whose sum is σ = 167620602. Its totient is φ = 167620600.

The previous prime is 167620597. The next prime is 167620613. The reversal of 167620601 is 106026761.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 147379600 + 20241001 = 12140^2 + 4499^2 .

It is a cyclic number.

It is not a de Polignac number, because 167620601 - 2² = 167620597 is a prime.

It is not a weakly prime, because it can be changed into another prime (167620631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83810300 + 83810301.

It is an arithmetic number, because the mean of its divisors is an integer number (83810301).

Almost surely, 2^167620601 is an apocalyptic number.

It is an amenable number.

167620601 is a deficient number, since it is larger than the sum of its proper divisors (1).

167620601 is an equidigital number, since it uses as much as digits as its factorization.

167620601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 167620601 is about 12946.8374902908. The cubic root of 167620601 is about 551.3691519354.

The spelling of 167620601 in words is "one hundred sixty-seven million, six hundred twenty thousand, six hundred one".