7737861246161 has 4 divisors (see below), whose sum is σ = 7902496591872. Its totient is φ = 7573225900452.

The previous prime is 7737861246133. The next prime is 7737861246173. The reversal of 7737861246161 is 1616421687377.

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 a de Polignac number, because none of the positive numbers 2^k-7737861246161 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7737861246161.

It is not an unprimeable number, because it can be changed into a prime (7737861246061) 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, 82317672785 + ... + 82317672878.

It is an arithmetic number, because the mean of its divisors is an integer number (1975624147968).

Almost surely, 2^{7737861246161} is an apocalyptic number.

It is an amenable number.

7737861246161 is a deficient number, since it is larger than the sum of its proper divisors (164635345711).

7737861246161 is a wasteful number, since it uses less digits than its factorization.

7737861246161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164635345710.

The product of its digits is 14224896, while the sum is 59.

The spelling of 7737861246161 in words is "seven trillion, seven hundred thirty-seven billion, eight hundred sixty-one million, two hundred forty-six thousand, one hundred sixty-one".