1671049638208 has 28 divisors (see below), whose sum is σ = 3460162569120. Its totient is φ = 799197652352.

The previous prime is 1671049638191. The next prime is 1671049638211. The reversal of 1671049638208 is 8028369401761.

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 567610498 + ... + 567613441.

Almost surely, 2^{1671049638208} is an apocalyptic number.

It is an amenable number.

1671049638208 is an abundant number, since it is smaller than the sum of its proper divisors (1789112930912).

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

1671049638208 is a wasteful number, since it uses less digits than its factorization.

1671049638208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1135223974 (or 1135223964 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 55.

The spelling of 1671049638208 in words is "one trillion, six hundred seventy-one billion, forty-nine million, six hundred thirty-eight thousand, two hundred eight".