66292648736007 has 4 divisors (see below), whose sum is σ = 88390198314680. Its totient is φ = 44195099157336.

The previous prime is 66292648735987. The next prime is 66292648736023. The reversal of 66292648736007 is 70063784629266.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 66292648736007 - 2³¹ = 66290501252359 is a prime.

It is a super-2 number, since 2×66292648736007² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66292648736207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11048774789332 + ... + 11048774789337.

It is an arithmetic number, because the mean of its divisors is an integer number (22097549578670).

Almost surely, 2^{66292648736007} is an apocalyptic number.

66292648736007 is a deficient number, since it is larger than the sum of its proper divisors (22097549578673).

66292648736007 is a wasteful number, since it uses less digits than its factorization.

66292648736007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22097549578672.

The product of its (nonzero) digits is 219469824, while the sum is 66.

The spelling of 66292648736007 in words is "sixty-six trillion, two hundred ninety-two billion, six hundred forty-eight million, seven hundred thirty-six thousand, seven".