166334051 has 4 divisors (see below), whose sum is σ = 179128992. Its totient is φ = 153539112.

The previous prime is 166334033. The next prime is 166334057. The reversal of 166334051 is 150433661.

It is a happy number.

166334051 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 150433661 = 7 ⋅21490523.

It is a cyclic number.

It is not a de Polignac number, because 166334051 - 2¹⁴ = 166317667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (166334057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6397451 + ... + 6397476.

It is an arithmetic number, because the mean of its divisors is an integer number (44782248).

Almost surely, 2^166334051 is an apocalyptic number.

166334051 is a deficient number, since it is larger than the sum of its proper divisors (12794941).

166334051 is a wasteful number, since it uses less digits than its factorization.

166334051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12794940.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 166334051 is about 12897.0559043527. The cubic root of 166334051 is about 549.9548734325.

The spelling of 166334051 in words is "one hundred sixty-six million, three hundred thirty-four thousand, fifty-one".