16542554254 has 8 divisors (see below), whose sum is σ = 25220615688. Its totient is φ = 8135682360.

The previous prime is 16542554251. The next prime is 16542554263. The reversal of 16542554254 is 45245524561.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×16542554254² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16542554254.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16542554251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67797232 + ... + 67797475.

It is an arithmetic number, because the mean of its divisors is an integer number (3152576961).

Almost surely, 2^16542554254 is an apocalyptic number.

16542554254 is a deficient number, since it is larger than the sum of its proper divisors (8678061434).

16542554254 is a wasteful number, since it uses less digits than its factorization.

16542554254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135594770.

The product of its digits is 960000, while the sum is 43.

The spelling of 16542554254 in words is "sixteen billion, five hundred forty-two million, five hundred fifty-four thousand, two hundred fifty-four".