16173049020 has 24 divisors (see below), whose sum is σ = 45284537424. Its totient is φ = 4312813056.

The previous prime is 16173049019. The next prime is 16173049027. The reversal of 16173049020 is 2094037161.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16173049027) 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, 134775349 + ... + 134775468.

It is an arithmetic number, because the mean of its divisors is an integer number (1886855726).

Almost surely, 2^16173049020 is an apocalyptic number.

16173049020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16173049020 is an abundant number, since it is smaller than the sum of its proper divisors (29111488404).

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

16173049020 is a wasteful number, since it uses less digits than its factorization.

16173049020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269550829 (or 269550827 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 33.

The spelling of 16173049020 in words is "sixteen billion, one hundred seventy-three million, forty-nine thousand, twenty".