1672177989648 has 40 divisors (see below), whose sum is σ = 4353807275008. Its totient is φ = 553003742592.

The previous prime is 1672177989637. The next prime is 1672177989679. The reversal of 1672177989648 is 8469897712761.

It is a self number, because there is not a number n which added to its sum of digits gives 1672177989648.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137147611 + ... + 137159802.

Almost surely, 2^{1672177989648} is an apocalyptic number.

It is an amenable number.

1672177989648 is an abundant number, since it is smaller than the sum of its proper divisors (2681629285360).

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

1672177989648 is a wasteful number, since it uses less digits than its factorization.

1672177989648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274307551 (or 274307545 counting only the distinct ones).

The product of its digits is 512096256, while the sum is 75.

The spelling of 1672177989648 in words is "one trillion, six hundred seventy-two billion, one hundred seventy-seven million, nine hundred eighty-nine thousand, six hundred forty-eight".