66707404002 has 48 divisors (see below), whose sum is σ = 150196550400. Its totient is φ = 21374071200.

The previous prime is 66707403989. The next prime is 66707404037. The reversal of 66707404002 is 20040470766.

It is a super-3 number, since 3×66707404002³ (a number of 33 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 318024 + ... + 484307.

It is an arithmetic number, because the mean of its divisors is an integer number (3129094800).

Almost surely, 2^66707404002 is an apocalyptic number.

66707404002 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

66707404002 is an abundant number, since it is smaller than the sum of its proper divisors (83489146398).

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

66707404002 is a wasteful number, since it uses less digits than its factorization.

66707404002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 802519 (or 802516 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 36.

Adding to 66707404002 its reverse (20040470766), we get a palindrome (86747874768).

The spelling of 66707404002 in words is "sixty-six billion, seven hundred seven million, four hundred four thousand, two".