149108478668 has 6 divisors (see below), whose sum is σ = 260939837676. Its totient is φ = 74554239332.

The previous prime is 149108478641. The next prime is 149108478679. The reversal of 149108478668 is 866874801941.

It is a super-2 number, since 2×149108478668² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 149108478668.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18638559830 + ... + 18638559837.

It is an arithmetic number, because the mean of its divisors is an integer number (43489972946).

Almost surely, 2^149108478668 is an apocalyptic number.

It is an amenable number.

149108478668 is a deficient number, since it is larger than the sum of its proper divisors (111831359008).

149108478668 is a wasteful number, since it uses less digits than its factorization.

149108478668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37277119671 (or 37277119669 counting only the distinct ones).

The product of its (nonzero) digits is 18579456, while the sum is 62.

The spelling of 149108478668 in words is "one hundred forty-nine billion, one hundred eight million, four hundred seventy-eight thousand, six hundred sixty-eight".