16254561450 has 48 divisors (see below), whose sum is σ = 40320767520. Its totient is φ = 4333533120.

The previous prime is 16254561443. The next prime is 16254561461. The reversal of 16254561450 is 5416545261.

It is a super-2 number, since 2×16254561450² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16254561399 and 16254561408.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 802852 + ... + 822848.

It is an arithmetic number, because the mean of its divisors is an integer number (840015990).

Almost surely, 2^16254561450 is an apocalyptic number.

16254561450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16254561450 is an abundant number, since it is smaller than the sum of its proper divisors (24066206070).

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

16254561450 is a wasteful number, since it uses less digits than its factorization.

16254561450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25431 (or 25426 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 39.

The spelling of 16254561450 in words is "sixteen billion, two hundred fifty-four million, five hundred sixty-one thousand, four hundred fifty".