66701007562 has 8 divisors (see below), whose sum is σ = 114344584416. Its totient is φ = 28586146092.

The previous prime is 66701007559. The next prime is 66701007587. The reversal of 66701007562 is 26570010766.

It is a happy number.

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, 2382178828 + ... + 2382178855.

It is an arithmetic number, because the mean of its divisors is an integer number (14293073052).

Almost surely, 2^66701007562 is an apocalyptic number.

66701007562 is a deficient number, since it is larger than the sum of its proper divisors (47643576854).

66701007562 is a wasteful number, since it uses less digits than its factorization.

66701007562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4764357692.

The product of its (nonzero) digits is 105840, while the sum is 40.

The spelling of 66701007562 in words is "sixty-six billion, seven hundred one million, seven thousand, five hundred sixty-two".