166414553 has 8 divisors (see below), whose sum is σ = 168164640. Its totient is φ = 164672640.

The previous prime is 166414543. The next prime is 166414561. The reversal of 166414553 is 355414661.

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 166414553 - 2⁴ = 166414537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (166414543) 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, 44201 + ... + 47817.

It is an arithmetic number, because the mean of its divisors is an integer number (21020580).

Almost surely, 2^166414553 is an apocalyptic number.

It is an amenable number.

166414553 is a deficient number, since it is larger than the sum of its proper divisors (1750087).

166414553 is a wasteful number, since it uses less digits than its factorization.

166414553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4087.

The product of its digits is 43200, while the sum is 35.

The square root of 166414553 is about 12900.1764716612. The cubic root of 166414553 is about 550.0435811196.

The spelling of 166414553 in words is "one hundred sixty-six million, four hundred fourteen thousand, five hundred fifty-three".