16227272790 has 24 divisors (see below), whose sum is σ = 42190909488. Its totient is φ = 4327272720.

The previous prime is 16227272783. The next prime is 16227272849. The reversal of 16227272790 is 9727272261.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 90151426 + ... + 90151605.

It is an arithmetic number, because the mean of its divisors is an integer number (1757954562).

Almost surely, 2^16227272790 is an apocalyptic number.

16227272790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16227272790 is an abundant number, since it is smaller than the sum of its proper divisors (25963636698).

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

16227272790 is a wasteful number, since it uses less digits than its factorization.

16227272790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180303044 (or 180303041 counting only the distinct ones).

The product of its (nonzero) digits is 296352, while the sum is 45.

The spelling of 16227272790 in words is "sixteen billion, two hundred twenty-seven million, two hundred seventy-two thousand, seven hundred ninety".