164400701 has 2 divisors, whose sum is σ = 164400702. Its totient is φ = 164400700.

The previous prime is 164400697. The next prime is 164400707. The reversal of 164400701 is 107004461.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 145781476 + 18619225 = 12074^2 + 4315^2 .

It is a cyclic number.

It is not a de Polignac number, because 164400701 - 2² = 164400697 is a prime.

It is a super-3 number, since 3×164400701³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164400707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82200350 + 82200351.

It is an arithmetic number, because the mean of its divisors is an integer number (82200351).

Almost surely, 2^164400701 is an apocalyptic number.

It is an amenable number.

164400701 is a deficient number, since it is larger than the sum of its proper divisors (1).

164400701 is an equidigital number, since it uses as much as digits as its factorization.

164400701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 164400701 is about 12821.8836759659. The cubic root of 164400701 is about 547.8158013510.

The spelling of 164400701 in words is "one hundred sixty-four million, four hundred thousand, seven hundred one".