66930639262803 has 32 divisors (see below), whose sum is σ = 99306814510080. Its totient is φ = 44552830479840.

The previous prime is 66930639262801. The next prime is 66930639262807. The reversal of 66930639262803 is 30826293603966.

66930639262803 is a `hidden beast` number, since 6 + 69 + 306 + 3 + 9 + 262 + 8 + 0 + 3 = 666.

It is not a de Polignac number, because 66930639262803 - 2¹ = 66930639262801 is a prime.

It is a super-2 number, since 2×66930639262803² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (66930639262801) 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, 53466925 + ... + 54704417.

It is an arithmetic number, because the mean of its divisors is an integer number (3103337953440).

Almost surely, 2^{66930639262803} is an apocalyptic number.

66930639262803 is a deficient number, since it is larger than the sum of its proper divisors (32376175247277).

66930639262803 is a wasteful number, since it uses less digits than its factorization.

66930639262803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1240536 (or 1240530 counting only the distinct ones).

The product of its (nonzero) digits is 90699264, while the sum is 63.

The spelling of 66930639262803 in words is "sixty-six trillion, nine hundred thirty billion, six hundred thirty-nine million, two hundred sixty-two thousand, eight hundred three".