7661285583361 has 8 divisors (see below), whose sum is σ = 8065420814880. Its totient is φ = 7257241319328.

The previous prime is 7661285583307. The next prime is 7661285583373. The reversal of 7661285583361 is 1633855821667.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7661285583361 - 2⁹ = 7661285582849 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 7661285583361.

It is not an unprimeable number, because it can be changed into a prime (7661285581361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22568956 + ... + 22905901.

It is an arithmetic number, because the mean of its divisors is an integer number (1008177601860).

Almost surely, 2^{7661285583361} is an apocalyptic number.

It is an amenable number.

7661285583361 is a deficient number, since it is larger than the sum of its proper divisors (404135231519).

7661285583361 is a wasteful number, since it uses less digits than its factorization.

7661285583361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45483743.

The product of its digits is 43545600, while the sum is 61.

The spelling of 7661285583361 in words is "seven trillion, six hundred sixty-one billion, two hundred eighty-five million, five hundred eighty-three thousand, three hundred sixty-one".