166674049 has 8 divisors (see below), whose sum is σ = 173329920. Its totient is φ = 160078800.

The previous prime is 166674047. The next prime is 166674071. The reversal of 166674049 is 940476661.

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 166674049 - 2¹ = 166674047 is a prime.

It is a super-2 number, since 2×166674049² = 55560477220108802, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 166673996 and 166674014.

It is not an unprimeable number, because it can be changed into a prime (166674047) 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, 9507 + ... + 20584.

It is an arithmetic number, because the mean of its divisors is an integer number (21666240).

Almost surely, 2^166674049 is an apocalyptic number.

It is an amenable number.

166674049 is a deficient number, since it is larger than the sum of its proper divisors (6655871).

166674049 is a wasteful number, since it uses less digits than its factorization.

166674049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30311.

The product of its (nonzero) digits is 217728, while the sum is 43.

The square root of 166674049 is about 12910.2304007326. The cubic root of 166674049 is about 550.3293333383.

The spelling of 166674049 in words is "one hundred sixty-six million, six hundred seventy-four thousand, forty-nine".