16212538603170 has 640 divisors, whose sum is σ = 56771264309760. Its totient is φ = 3223787765760.

The previous prime is 16212538603147. The next prime is 16212538603187. The reversal of 16212538603170 is 7130683521261.

It is a happy number.

16212538603170 is a `hidden beast` number, since 1 + 6 + 2 + 1 + 2 + 5 + 38 + 603 + 1 + 7 + 0 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 319 ways as a sum of consecutive naturals, for example, 270264580 + ... + 270324560.

It is an arithmetic number, because the mean of its divisors is an integer number (88705100484).

Almost surely, 2^{16212538603170} is an apocalyptic number.

16212538603170 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 16212538603170, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28385632154880).

16212538603170 is an abundant number, since it is smaller than the sum of its proper divisors (40558725706590).

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

16212538603170 is a wasteful number, since it uses less digits than its factorization.

16212538603170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60232 (or 60223 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The spelling of 16212538603170 in words is "sixteen trillion, two hundred twelve billion, five hundred thirty-eight million, six hundred three thousand, one hundred seventy".