1697760242666 has 8 divisors (see below), whose sum is σ = 2561889708000. Its totient is φ = 843797006668.

The previous prime is 1697760242573. The next prime is 1697760242701. The reversal of 1697760242666 is 6662420677961.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1697760242599 and 1697760242608.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2541556916 + ... + 2541557583.

It is an arithmetic number, because the mean of its divisors is an integer number (320236213500).

Almost surely, 2^{1697760242666} is an apocalyptic number.

1697760242666 is a deficient number, since it is larger than the sum of its proper divisors (864129465334).

1697760242666 is a wasteful number, since it uses less digits than its factorization.

1697760242666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5083114668.

The product of its (nonzero) digits is 54867456, while the sum is 62.

The spelling of 1697760242666 in words is "one trillion, six hundred ninety-seven billion, seven hundred sixty million, two hundred forty-two thousand, six hundred sixty-six".