30536671668 has 48 divisors (see below), whose sum is σ = 75465633600. Its totient is φ = 9577327104.

The previous prime is 30536671661. The next prime is 30536671679. The reversal of 30536671668 is 86617663503.

It is a happy number.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a self number, because there is not a number n which added to its sum of digits gives 30536671668.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30536671661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 741483 + ... + 781581.

It is an arithmetic number, because the mean of its divisors is an integer number (1572200700).

Almost surely, 2^30536671668 is an apocalyptic number.

It is an amenable number.

30536671668 is an abundant number, since it is smaller than the sum of its proper divisors (44928961932).

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

30536671668 is a wasteful number, since it uses less digits than its factorization.

30536671668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43856 (or 43854 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 51.

The spelling of 30536671668 in words is "thirty billion, five hundred thirty-six million, six hundred seventy-one thousand, six hundred sixty-eight".