1672984218916 has 6 divisors (see below), whose sum is σ = 2927722383110. Its totient is φ = 836492109456.

The previous prime is 1672984218883. The next prime is 1672984218929. The reversal of 1672984218916 is 6198124892761.

It can be written as a sum of positive squares in only one way, i.e., 1329072345316 + 343911873600 = 1152854^2 + 586440^2 .

It is a super-2 number, since 2×1672984218916² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 209123027361 + ... + 209123027368.

Almost surely, 2^{1672984218916} is an apocalyptic number.

It is an amenable number.

1672984218916 is a deficient number, since it is larger than the sum of its proper divisors (1254738164194).

1672984218916 is a wasteful number, since it uses less digits than its factorization.

1672984218916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418246054733 (or 418246054731 counting only the distinct ones).

The product of its digits is 20901888, while the sum is 64.

The spelling of 1672984218916 in words is "one trillion, six hundred seventy-two billion, nine hundred eighty-four million, two hundred eighteen thousand, nine hundred sixteen".