16541454056 has 8 divisors (see below), whose sum is σ = 31015226370. Its totient is φ = 8270727024.

The previous prime is 16541454049. The next prime is 16541454089. The reversal of 16541454056 is 65045414561.

It can be written as a sum of positive squares in only one way, i.e., 12663901156 + 3877552900 = 112534^2 + 62270^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×16541454056² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1033840871 + ... + 1033840886.

Almost surely, 2^16541454056 is an apocalyptic number.

It is an amenable number.

16541454056 is a deficient number, since it is larger than the sum of its proper divisors (14473772314).

16541454056 is a wasteful number, since it uses less digits than its factorization.

16541454056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2067681763 (or 2067681759 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 41.

The spelling of 16541454056 in words is "sixteen billion, five hundred forty-one million, four hundred fifty-four thousand, fifty-six".