30666461002 has 4 divisors (see below), whose sum is σ = 45999691506. Its totient is φ = 15333230500.

The previous prime is 30666460967. The next prime is 30666461003. The reversal of 30666461002 is 20016466603.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20016466603 = 7 ⋅2859495229.

It can be written as a sum of positive squares in only one way, i.e., 20030457841 + 10636003161 = 141529^2 + 103131^2 .

It is not an unprimeable number, because it can be changed into a prime (30666461003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7666615249 + ... + 7666615252.

Almost surely, 2^30666461002 is an apocalyptic number.

30666461002 is a deficient number, since it is larger than the sum of its proper divisors (15333230504).

30666461002 is a wasteful number, since it uses less digits than its factorization.

30666461002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15333230503.

The product of its (nonzero) digits is 31104, while the sum is 34.

The spelling of 30666461002 in words is "thirty billion, six hundred sixty-six million, four hundred sixty-one thousand, two".