66342003673345 has 32 divisors (see below), whose sum is σ = 81397426061952. Its totient is φ = 51889377226752.

The previous prime is 66342003673343. The next prime is 66342003673441. The reversal of 66342003673345 is 54337630024366.

It is a cyclic number.

It is not a de Polignac number, because 66342003673345 - 2¹ = 66342003673343 is a prime.

It is a super-2 number, since 2×66342003673345² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 66342003673292 and 66342003673301.

It is not an unprimeable number, because it can be changed into a prime (66342003673343) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 325562209 + ... + 325765921.

It is an arithmetic number, because the mean of its divisors is an integer number (2543669564436).

Almost surely, 2^{66342003673345} is an apocalyptic number.

It is an amenable number.

66342003673345 is a deficient number, since it is larger than the sum of its proper divisors (15055422388607).

66342003673345 is a wasteful number, since it uses less digits than its factorization.

66342003673345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208081.

The product of its (nonzero) digits is 19595520, while the sum is 52.

The spelling of 66342003673345 in words is "sixty-six trillion, three hundred forty-two billion, three million, six hundred seventy-three thousand, three hundred forty-five".