16485171954 has 16 divisors (see below), whose sum is σ = 33001372992. Its totient is φ = 5489885808.

The previous prime is 16485171943. The next prime is 16485171959. The reversal of 16485171954 is 45917158461.

It is a junction number, because it is equal to n+sod(n) for n = 16485171897 and 16485171906.

It is not an unprimeable number, because it can be changed into a prime (16485171959) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1285969 + ... + 1298724.

It is an arithmetic number, because the mean of its divisors is an integer number (2062585812).

Almost surely, 2^16485171954 is an apocalyptic number.

16485171954 is an abundant number, since it is smaller than the sum of its proper divisors (16516201038).

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

16485171954 is a wasteful number, since it uses less digits than its factorization.

16485171954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2585761.

The product of its digits is 1209600, while the sum is 51.

The spelling of 16485171954 in words is "sixteen billion, four hundred eighty-five million, one hundred seventy-one thousand, nine hundred fifty-four".