66234242562 has 32 divisors (see below), whose sum is σ = 133075149504. Its totient is φ = 21977049600.

The previous prime is 66234242519. The next prime is 66234242567. The reversal of 66234242562 is 26524243266.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (66234242567) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3905862 + ... + 3922782.

It is an arithmetic number, because the mean of its divisors is an integer number (4158598422).

Almost surely, 2^66234242562 is an apocalyptic number.

66234242562 is an abundant number, since it is smaller than the sum of its proper divisors (66840906942).

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

66234242562 is a wasteful number, since it uses less digits than its factorization.

66234242562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19874.

The product of its digits is 829440, while the sum is 42.

The spelling of 66234242562 in words is "sixty-six billion, two hundred thirty-four million, two hundred forty-two thousand, five hundred sixty-two".