1601697760823 has 2 divisors, whose sum is σ = 1601697760824. Its totient is φ = 1601697760822.

The previous prime is 1601697760813. The next prime is 1601697760829. The reversal of 1601697760823 is 3280677961061.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1601697760823 - 2⁶ = 1601697760759 is a prime.

It is a super-2 number, since 2×1601697760823² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1601697760829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 800848880411 + 800848880412.

It is an arithmetic number, because the mean of its divisors is an integer number (800848880412).

Almost surely, 2^{1601697760823} is an apocalyptic number.

1601697760823 is a deficient number, since it is larger than the sum of its proper divisors (1).

1601697760823 is an equidigital number, since it uses as much as digits as its factorization.

1601697760823 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4572288, while the sum is 56.

The spelling of 1601697760823 in words is "one trillion, six hundred one billion, six hundred ninety-seven million, seven hundred sixty thousand, eight hundred twenty-three".