16634242454 has 4 divisors (see below), whose sum is σ = 24951363684. Its totient is φ = 8317121226.

The previous prime is 16634242441. The next prime is 16634242483. The reversal of 16634242454 is 45424243661.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4158560612 + ... + 4158560615.

It is an arithmetic number, because the mean of its divisors is an integer number (6237840921).

Almost surely, 2^16634242454 is an apocalyptic number.

16634242454 is a deficient number, since it is larger than the sum of its proper divisors (8317121230).

16634242454 is an equidigital number, since it uses as much as digits as its factorization.

16634242454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8317121229.

The product of its digits is 552960, while the sum is 41.

The spelling of 16634242454 in words is "sixteen billion, six hundred thirty-four million, two hundred forty-two thousand, four hundred fifty-four".