166413454 has 4 divisors (see below), whose sum is σ = 249620184. Its totient is φ = 83206726.

The previous prime is 166413451. The next prime is 166413463. The reversal of 166413454 is 454314661.

166413454 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.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166413451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41603362 + ... + 41603365.

It is an arithmetic number, because the mean of its divisors is an integer number (62405046).

Almost surely, 2^166413454 is an apocalyptic number.

166413454 is a deficient number, since it is larger than the sum of its proper divisors (83206730).

166413454 is an equidigital number, since it uses as much as digits as its factorization.

166413454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83206729.

The product of its digits is 34560, while the sum is 34.

The square root of 166413454 is about 12900.1338752743. The cubic root of 166413454 is about 550.0423702896.

The spelling of 166413454 in words is "one hundred sixty-six million, four hundred thirteen thousand, four hundred fifty-four".