161246310741 has 16 divisors (see below), whose sum is σ = 238898200320. Its totient is φ = 107490890880.

The previous prime is 161246310733. The next prime is 161246310761. The reversal of 161246310741 is 147013642161.

161246310741 is a `hidden beast` number, since 1 + 6 + 12 + 4 + 631 + 0 + 7 + 4 + 1 = 666.

It is not a de Polignac number, because 161246310741 - 2³ = 161246310733 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 161246310696 and 161246310705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161246310721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 281221 + ... + 633701.

It is an arithmetic number, because the mean of its divisors is an integer number (14931137520).

Almost surely, 2^161246310741 is an apocalyptic number.

It is an amenable number.

161246310741 is a deficient number, since it is larger than the sum of its proper divisors (77651889579).

161246310741 is a wasteful number, since it uses less digits than its factorization.

161246310741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369433 (or 369427 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The spelling of 161246310741 in words is "one hundred sixty-one billion, two hundred forty-six million, three hundred ten thousand, seven hundred forty-one".