1601370986623 has 2 divisors, whose sum is σ = 1601370986624. Its totient is φ = 1601370986622.

The previous prime is 1601370986587. The next prime is 1601370986629. The reversal of 1601370986623 is 3266890731061.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1601370986623 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1601370986629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 800685493311 + 800685493312.

It is an arithmetic number, because the mean of its divisors is an integer number (800685493312).

Almost surely, 2^{1601370986623} is an apocalyptic number.

1601370986623 is a deficient number, since it is larger than the sum of its proper divisors (1).

1601370986623 is an equidigital number, since it uses as much as digits as its factorization.

1601370986623 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1959552, while the sum is 52.

The spelling of 1601370986623 in words is "one trillion, six hundred one billion, three hundred seventy million, nine hundred eighty-six thousand, six hundred twenty-three".