1697671066945 has 48 divisors (see below), whose sum is σ = 2415129799680. Its totient is φ = 1141866101376.

The previous prime is 1697671066853. The next prime is 1697671066957. The reversal of 1697671066945 is 5496601767961.

It is not a de Polignac number, because 1697671066945 - 2¹³ = 1697671058753 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 60223324 + ... + 60251506.

It is an arithmetic number, because the mean of its divisors is an integer number (50315204160).

Almost surely, 2^{1697671066945} is an apocalyptic number.

It is an amenable number.

1697671066945 is a deficient number, since it is larger than the sum of its proper divisors (717458732735).

1697671066945 is a wasteful number, since it uses less digits than its factorization.

1697671066945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32894 (or 32887 counting only the distinct ones).

The product of its (nonzero) digits is 102876480, while the sum is 67.

The spelling of 1697671066945 in words is "one trillion, six hundred ninety-seven billion, six hundred seventy-one million, sixty-six thousand, nine hundred forty-five".