16178946022 has 4 divisors (see below), whose sum is σ = 24268419036. Its totient is φ = 8089473010.

The previous prime is 16178946013. The next prime is 16178946061. The reversal of 16178946022 is 22064987161.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4044736504 + ... + 4044736507.

It is an arithmetic number, because the mean of its divisors is an integer number (6067104759).

Almost surely, 2^16178946022 is an apocalyptic number.

16178946022 is a deficient number, since it is larger than the sum of its proper divisors (8089473014).

16178946022 is an equidigital number, since it uses as much as digits as its factorization.

16178946022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8089473013.

The product of its (nonzero) digits is 290304, while the sum is 46.

The spelling of 16178946022 in words is "sixteen billion, one hundred seventy-eight million, nine hundred forty-six thousand, twenty-two".