166033753 has 2 divisors, whose sum is σ = 166033754. Its totient is φ = 166033752.

The previous prime is 166033733. The next prime is 166033759. The reversal of 166033753 is 357330661.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 115949824 + 50083929 = 10768^2 + 7077^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-166033753 is a prime.

It is not a weakly prime, because it can be changed into another prime (166033759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83016876 + 83016877.

It is an arithmetic number, because the mean of its divisors is an integer number (83016877).

Almost surely, 2^166033753 is an apocalyptic number.

It is an amenable number.

166033753 is a deficient number, since it is larger than the sum of its proper divisors (1).

166033753 is an equidigital number, since it uses as much as digits as its factorization.

166033753 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34020, while the sum is 34.

The square root of 166033753 is about 12885.4085305822. The cubic root of 166033753 is about 549.6237128666.

The spelling of 166033753 in words is "one hundred sixty-six million, thirty-three thousand, seven hundred fifty-three".