30666654260 has 24 divisors (see below), whose sum is σ = 70254517536. Its totient is φ = 11151510560.

The previous prime is 30666654251. The next prime is 30666654269. The reversal of 30666654260 is 6245666603.

It is an interprime number because it is at equal distance from previous prime (30666654251) and next prime (30666654269).

It is a super-2 number, since 2×30666654260² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30666654269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69696722 + ... + 69697161.

It is an arithmetic number, because the mean of its divisors is an integer number (2927271564).

Almost surely, 2^30666654260 is an apocalyptic number.

It is an amenable number.

30666654260 is an abundant number, since it is smaller than the sum of its proper divisors (39587863276).

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

30666654260 is a wasteful number, since it uses less digits than its factorization.

30666654260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139393903 (or 139393901 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 44.

The spelling of 30666654260 in words is "thirty billion, six hundred sixty-six million, six hundred fifty-four thousand, two hundred sixty".