166030451 has 8 divisors (see below), whose sum is σ = 171542400. Its totient is φ = 160528320.

The previous prime is 166030409. The next prime is 166030453. The reversal of 166030451 is 154030661.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 166030451 - 2⁶ = 166030387 is a prime.

It is a super-2 number, since 2×166030451² = 55132221318526802, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 166030451.

It is not an unprimeable number, because it can be changed into a prime (166030453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50135 + ... + 53343.

It is an arithmetic number, because the mean of its divisors is an integer number (21442800).

Almost surely, 2^166030451 is an apocalyptic number.

166030451 is a deficient number, since it is larger than the sum of its proper divisors (5511949).

166030451 is a wasteful number, since it uses less digits than its factorization.

166030451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4909.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 166030451 is about 12885.2804005190. The cubic root of 166030451 is about 549.6200692912.

The spelling of 166030451 in words is "one hundred sixty-six million, thirty thousand, four hundred fifty-one".