66235740360 has 64 divisors (see below), whose sum is σ = 198843940800. Its totient is φ = 17650711296.

The previous prime is 66235740293. The next prime is 66235740367. The reversal of 66235740360 is 6304753266.

It is not an unprimeable number, because it can be changed into a prime (66235740367) 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, 14079 + ... + 364238.

It is an arithmetic number, because the mean of its divisors is an integer number (3106936575).

Almost surely, 2^66235740360 is an apocalyptic number.

66235740360 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

66235740360 is an abundant number, since it is smaller than the sum of its proper divisors (132608200440).

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

66235740360 is a wasteful number, since it uses less digits than its factorization.

66235740360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379790 (or 379786 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 42.

The spelling of 66235740360 in words is "sixty-six billion, two hundred thirty-five million, seven hundred forty thousand, three hundred sixty".