1607122013261 has 4 divisors (see below), whose sum is σ = 1691707382400. Its totient is φ = 1522536644124.

The previous prime is 1607122013257. The next prime is 1607122013303. The reversal of 1607122013261 is 1623102217061.

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 1607122013261 - 2² = 1607122013257 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1607122016261) 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, 42292684541 + ... + 42292684578.

It is an arithmetic number, because the mean of its divisors is an integer number (422926845600).

Almost surely, 2^{1607122013261} is an apocalyptic number.

It is an amenable number.

1607122013261 is a deficient number, since it is larger than the sum of its proper divisors (84585369139).

1607122013261 is an equidigital number, since it uses as much as digits as its factorization.

1607122013261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84585369138.

The product of its (nonzero) digits is 6048, while the sum is 32.

The spelling of 1607122013261 in words is "one trillion, six hundred seven billion, one hundred twenty-two million, thirteen thousand, two hundred sixty-one".