148816661889 has 16 divisors (see below), whose sum is σ = 227506915328. Its totient is φ = 84761091792.

The previous prime is 148816661887. The next prime is 148816661897. The reversal of 148816661889 is 988166618841.

It is a happy number.

It is not a de Polignac number, because 148816661889 - 2¹ = 148816661887 is a prime.

It is not an unprimeable number, because it can be changed into a prime (148816661887) 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, 11535097 + ... + 11547990.

It is an arithmetic number, because the mean of its divisors is an integer number (14219182208).

Almost surely, 2^148816661889 is an apocalyptic number.

It is an amenable number.

148816661889 is a deficient number, since it is larger than the sum of its proper divisors (78690253439).

148816661889 is a wasteful number, since it uses less digits than its factorization.

148816661889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23083404.

The product of its digits is 31850496, while the sum is 66.

The spelling of 148816661889 in words is "one hundred forty-eight billion, eight hundred sixteen million, six hundred sixty-one thousand, eight hundred eighty-nine".