1694147427072 has 216 divisors, whose sum is σ = 4965788964864. Its totient is φ = 555396175872.

The previous prime is 1694147427053. The next prime is 1694147427097. The reversal of 1694147427072 is 2707247414961.

1694147427072 is a `hidden beast` number, since 1 + 6 + 9 + 4 + 147 + 427 + 0 + 72 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42624873 + ... + 42664599.

Almost surely, 2^{1694147427072} is an apocalyptic number.

1694147427072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1694147427072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2482894482432).

1694147427072 is an abundant number, since it is smaller than the sum of its proper divisors (3271641537792).

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

1694147427072 is a wasteful number, since it uses less digits than its factorization.

1694147427072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40055 (or 40038 counting only the distinct ones).

The product of its (nonzero) digits is 4741632, while the sum is 54.

The spelling of 1694147427072 in words is "one trillion, six hundred ninety-four billion, one hundred forty-seven million, four hundred twenty-seven thousand, seventy-two".