62666310378 has 128 divisors (see below), whose sum is σ = 152203898880. Its totient is φ = 16802380800.

The previous prime is 62666310361. The next prime is 62666310407. The reversal of 62666310378 is 87301366626.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 71454876 + ... + 71455752.

It is an arithmetic number, because the mean of its divisors is an integer number (1189092960).

Almost surely, 2^62666310378 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 62666310378, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76101949440).

62666310378 is an abundant number, since it is smaller than the sum of its proper divisors (89537588502).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

62666310378 is a wasteful number, since it uses less digits than its factorization.

62666310378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1652.

The product of its (nonzero) digits is 1306368, while the sum is 48.

The spelling of 62666310378 in words is "sixty-two billion, six hundred sixty-six million, three hundred ten thousand, three hundred seventy-eight".