64611620264446 has 8 divisors (see below), whose sum is σ = 98282464627824. Its totient is φ = 31850798721840.

The previous prime is 64611620264407. The next prime is 64611620264467. The reversal of 64611620264446 is 64446202611646.

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

It is a super-2 number, since 2×64611620264446² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 64611620264393 and 64611620264402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 227505705015 + ... + 227505705298.

It is an arithmetic number, because the mean of its divisors is an integer number (12285308078478).

Almost surely, 2^{64611620264446} is an apocalyptic number.

64611620264446 is a deficient number, since it is larger than the sum of its proper divisors (33670844363378).

64611620264446 is a wasteful number, since it uses less digits than its factorization.

64611620264446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455011410386.

The product of its (nonzero) digits is 7962624, while the sum is 52.

The spelling of 64611620264446 in words is "sixty-four trillion, six hundred eleven billion, six hundred twenty million, two hundred sixty-four thousand, four hundred forty-six".