16554471401232 has 80 divisors (see below), whose sum is σ = 48676426800960. Its totient is φ = 5383567929600.

The previous prime is 16554471401231. The next prime is 16554471401233. The reversal of 16554471401232 is 23210417445561.

It is a happy number.

16554471401232 is a `hidden beast` number, since 1 + 6 + 5 + 5 + 4 + 4 + 7 + 1 + 401 + 232 = 666.

It is an interprime number because it is at equal distance from previous prime (16554471401231) and next prime (16554471401233).

It is a super-2 number, since 2×16554471401232² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16554471401231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 467305894 + ... + 467341317.

It is an arithmetic number, because the mean of its divisors is an integer number (608455335012).

Almost surely, 2^{16554471401232} is an apocalyptic number.

16554471401232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16554471401232 is an abundant number, since it is smaller than the sum of its proper divisors (32121955399728).

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

16554471401232 is a wasteful number, since it uses less digits than its factorization.

16554471401232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 934647269 (or 934647257 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 45.

Adding to 16554471401232 its reverse (23210417445561), we get a palindrome (39764888846793).

The spelling of 16554471401232 in words is "sixteen trillion, five hundred fifty-four billion, four hundred seventy-one million, four hundred one thousand, two hundred thirty-two".