361552265364661 has 32 divisors (see below), whose sum is σ = 441842489141760. Its totient is φ = 289153836052224.

The previous prime is 361552265364611. The next prime is 361552265364691. The reversal of 361552265364661 is 166463562255163.

It is a cyclic number.

It is not a de Polignac number, because 361552265364661 - 2²⁹ = 361551728493749 is a prime.

It is a super-2 number, since 2×361552265364661² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 361552265364661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (361552265364611) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 120983506 + ... + 123935923.

It is an arithmetic number, because the mean of its divisors is an integer number (13807577785680).

Almost surely, 2^{361552265364661} is an apocalyptic number.

It is an amenable number.

361552265364661 is a deficient number, since it is larger than the sum of its proper divisors (80290223777099).

361552265364661 is a wasteful number, since it uses less digits than its factorization.

361552265364661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244919685.

The product of its digits is 139968000, while the sum is 61.

The spelling of 361552265364661 in words is "three hundred sixty-one trillion, five hundred fifty-two billion, two hundred sixty-five million, three hundred sixty-four thousand, six hundred sixty-one".