1672086920464 has 15 divisors (see below), whose sum is σ = 3239678429893. Its totient is φ = 836040874048.

The previous prime is 1672086920443. The next prime is 1672086920489. The reversal of 1672086920464 is 4640296802761.

The square root of 1672086920464 is 1293092.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 239297072400 + 1432789848064 = 489180^2 + 1196992^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 5010732 + ... + 5334004.

Almost surely, 2^{1672086920464} is an apocalyptic number.

1672086920464 is the 1293092-nd square number.

It is an amenable number.

1672086920464 is a deficient number, since it is larger than the sum of its proper divisors (1567591509429).

1672086920464 is an frugal number, since it uses more digits than its factorization.

1672086920464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 646554 (or 323275 counting only the distinct ones).

The product of its (nonzero) digits is 6967296, while the sum is 55.

The spelling of 1672086920464 in words is "one trillion, six hundred seventy-two billion, eighty-six million, nine hundred twenty thousand, four hundred sixty-four".