64642226664662 has 8 divisors (see below), whose sum is σ = 98606786437800. Its totient is φ = 31773297852064.

The previous prime is 64642226664647. The next prime is 64642226664677. The reversal of 64642226664662 is 26646662224646.

It is an interprime number because it is at equal distance from previous prime (64642226664647) and next prime (64642226664677).

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

It is a junction number, because it is equal to n+sod(n) for n = 64642226664595 and 64642226664604.

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, 273907739987 + ... + 273907740222.

It is an arithmetic number, because the mean of its divisors is an integer number (12325848304725).

Almost surely, 2^{64642226664662} is an apocalyptic number.

64642226664662 is a deficient number, since it is larger than the sum of its proper divisors (33964559773138).

64642226664662 is a wasteful number, since it uses less digits than its factorization.

64642226664662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 547815480270.

The product of its digits is 286654464, while the sum is 62.

The spelling of 64642226664662 in words is "sixty-four trillion, six hundred forty-two billion, two hundred twenty-six million, six hundred sixty-four thousand, six hundred sixty-two".