610661224458465 has 8 divisors (see below), whose sum is σ = 977057959133568. Its totient is φ = 325685986377840.

The previous prime is 610661224458443. The next prime is 610661224458517. The reversal of 610661224458465 is 564854422166016.

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

It is not a de Polignac number, because 610661224458465 - 2²¹ = 610661222361313 is a prime.

It is a super-2 number, since 2×610661224458465² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 610661224458399 and 610661224458408.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20355374148601 + ... + 20355374148630.

It is an arithmetic number, because the mean of its divisors is an integer number (122132244891696).

Almost surely, 2^{610661224458465} is an apocalyptic number.

It is an amenable number.

610661224458465 is a deficient number, since it is larger than the sum of its proper divisors (366396734675103).

610661224458465 is a wasteful number, since it uses less digits than its factorization.

610661224458465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40710748297239.

The product of its (nonzero) digits is 66355200, while the sum is 60.

The spelling of 610661224458465 in words is "six hundred ten trillion, six hundred sixty-one billion, two hundred twenty-four million, four hundred fifty-eight thousand, four hundred sixty-five".