62666281642 has 8 divisors (see below), whose sum is σ = 94173175332. Its totient is φ = 31275223200.

The previous prime is 62666281583. The next prime is 62666281663. The reversal of 62666281642 is 24618266626.

It can be written as a sum of positive squares in 2 ways, for example, as 59673206961 + 2993074681 = 244281^2 + 54709^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28957459 + ... + 28959622.

Almost surely, 2^62666281642 is an apocalyptic number.

62666281642 is a deficient number, since it is larger than the sum of its proper divisors (31506893690).

62666281642 is a wasteful number, since it uses less digits than its factorization.

62666281642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57917624.

The product of its digits is 1990656, while the sum is 49.

The spelling of 62666281642 in words is "sixty-two billion, six hundred sixty-six million, two hundred eighty-one thousand, six hundred forty-two".