166054541 has 8 divisors (see below), whose sum is σ = 167752800. Its totient is φ = 164365200.

The previous prime is 166054513. The next prime is 166054579. The reversal of 166054541 is 145450661.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-166054541 is a prime.

It is a super-2 number, since 2×166054541² = 55148221173441362, 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 = 166054498 and 166054507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166054741) 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, 38966 + ... + 43016.

It is an arithmetic number, because the mean of its divisors is an integer number (20969100).

Almost surely, 2^166054541 is an apocalyptic number.

It is an amenable number.

166054541 is a deficient number, since it is larger than the sum of its proper divisors (1698259).

166054541 is a wasteful number, since it uses less digits than its factorization.

166054541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4459.

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 166054541 is about 12886.2151541871. The cubic root of 166054541 is about 549.6466501725.

The spelling of 166054541 in words is "one hundred sixty-six million, fifty-four thousand, five hundred forty-one".