15454861608 has 16 divisors (see below), whose sum is σ = 38637154080. Its totient is φ = 5151620528.

The previous prime is 15454861601. The next prime is 15454861637. The reversal of 15454861608 is 80616845451.

15454861608 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (15454861601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 321976260 + ... + 321976307.

It is an arithmetic number, because the mean of its divisors is an integer number (2414822130).

Almost surely, 2^15454861608 is an apocalyptic number.

It is an amenable number.

15454861608 is an abundant number, since it is smaller than the sum of its proper divisors (23182292472).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15454861608 is a wasteful number, since it uses less digits than its factorization.

15454861608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643952576 (or 643952572 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 48.

The spelling of 15454861608 in words is "fifteen billion, four hundred fifty-four million, eight hundred sixty-one thousand, six hundred eight".