1611601368297 has 4 divisors (see below), whose sum is σ = 2148801824400. Its totient is φ = 1074400912196.

The previous prime is 1611601368281. The next prime is 1611601368341. The reversal of 1611601368297 is 7928631061161.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1611601368297 - 2⁴ = 1611601368281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1611601368227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 268600228047 + ... + 268600228052.

It is an arithmetic number, because the mean of its divisors is an integer number (537200456100).

Almost surely, 2^{1611601368297} is an apocalyptic number.

It is an amenable number.

1611601368297 is a deficient number, since it is larger than the sum of its proper divisors (537200456103).

1611601368297 is an equidigital number, since it uses as much as digits as its factorization.

1611601368297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537200456102.

The product of its (nonzero) digits is 653184, while the sum is 51.

The spelling of 1611601368297 in words is "one trillion, six hundred eleven billion, six hundred one million, three hundred sixty-eight thousand, two hundred ninety-seven".