1670327709642 has 64 divisors (see below), whose sum is σ = 3907448016000. Its totient is φ = 527438335104.

The previous prime is 1670327709607. The next prime is 1670327709643. The reversal of 1670327709642 is 2469077230761.

1670327709642 is a `hidden beast` number, since 167 + 0 + 327 + 70 + 96 + 4 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (1670327709643) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19768878 + ... + 19853190.

It is an arithmetic number, because the mean of its divisors is an integer number (61053875250).

Almost surely, 2^{1670327709642} is an apocalyptic number.

1670327709642 is an abundant number, since it is smaller than the sum of its proper divisors (2237120306358).

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

1670327709642 is a wasteful number, since it uses less digits than its factorization.

1670327709642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103652 (or 103646 counting only the distinct ones).

The product of its (nonzero) digits is 5334336, while the sum is 54.

The spelling of 1670327709642 in words is "one trillion, six hundred seventy billion, three hundred twenty-seven million, seven hundred nine thousand, six hundred forty-two".