16212295605 has 32 divisors (see below), whose sum is σ = 28303769088. Its totient is φ = 7858856000.

The previous prime is 16212295601. The next prime is 16212295607. The reversal of 16212295605 is 50659221261.

It is not a de Polignac number, because 16212295605 - 2² = 16212295601 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16212295601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1222822 + ... + 1236008.

It is an arithmetic number, because the mean of its divisors is an integer number (884492784).

Almost surely, 2^16212295605 is an apocalyptic number.

16212295605 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16212295605 is a deficient number, since it is larger than the sum of its proper divisors (12091473483).

16212295605 is a wasteful number, since it uses less digits than its factorization.

16212295605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20657.

The product of its (nonzero) digits is 64800, while the sum is 39.

The spelling of 16212295605 in words is "sixteen billion, two hundred twelve million, two hundred ninety-five thousand, six hundred five".