180106357 has 2 divisors, whose sum is σ = 180106358. Its totient is φ = 180106356.

The previous prime is 180106319. The next prime is 180106387. The reversal of 180106357 is 753601081.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 167081476 + 13024881 = 12926^2 + 3609^2 .

It is a cyclic number.

It is not a de Polignac number, because 180106357 - 2¹⁵ = 180073589 is a prime.

It is a super-2 number, since 2×180106357² = 64876599663622898, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (180106387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 90053178 + 90053179.

It is an arithmetic number, because the mean of its divisors is an integer number (90053179).

Almost surely, 2^180106357 is an apocalyptic number.

It is an amenable number.

180106357 is a deficient number, since it is larger than the sum of its proper divisors (1).

180106357 is an equidigital number, since it uses as much as digits as its factorization.

180106357 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 180106357 is about 13420.3709710276. The cubic root of 180106357 is about 564.7328018428.

The spelling of 180106357 in words is "one hundred eighty million, one hundred six thousand, three hundred fifty-seven".