1671116661662 has 16 divisors (see below), whose sum is σ = 2864881180032. Its totient is φ = 716165415000.

The previous prime is 1671116661629. The next prime is 1671116661673. The reversal of 1671116661662 is 2661666111761.

It is a self number, because there is not a number n which added to its sum of digits gives 1671116661662.

It is a congruent number.

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, 1906028 + ... + 2641055.

It is an arithmetic number, because the mean of its divisors is an integer number (179055073752).

Almost surely, 2^{1671116661662} is an apocalyptic number.

1671116661662 is a deficient number, since it is larger than the sum of its proper divisors (1193764518370).

1671116661662 is a wasteful number, since it uses less digits than its factorization.

1671116661662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4573343.

The product of its digits is 653184, while the sum is 50.

The spelling of 1671116661662 in words is "one trillion, six hundred seventy-one billion, one hundred sixteen million, six hundred sixty-one thousand, six hundred sixty-two".