2124166454 has 4 divisors (see below), whose sum is σ = 3186249684. Its totient is φ = 1062083226.

The previous prime is 2124166453. The next prime is 2124166481. The reversal of 2124166454 is 4546614212.

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 (2124166453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 531041612 + ... + 531041615.

It is an arithmetic number, because the mean of its divisors is an integer number (796562421).

Almost surely, 2^2124166454 is an apocalyptic number.

2124166454 is a deficient number, since it is larger than the sum of its proper divisors (1062083230).

2124166454 is a wasteful number, since it uses less digits than its factorization.

2124166454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1062083229.

The product of its digits is 46080, while the sum is 35.

The square root of 2124166454 is about 46088.6803239147. The cubic root of 2124166454 is about 1285.4726728362.

The spelling of 2124166454 in words is "two billion, one hundred twenty-four million, one hundred sixty-six thousand, four hundred fifty-four".