148081821692 has 24 divisors (see below), whose sum is σ = 298495647744. Its totient is φ = 62963922672.

The previous prime is 148081821661. The next prime is 148081821721. The reversal of 148081821692 is 296128180841.

148081821692 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 148081821692.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20817848 + ... + 20824959.

It is an arithmetic number, because the mean of its divisors is an integer number (12437318656).

Almost surely, 2^148081821692 is an apocalyptic number.

It is an amenable number.

148081821692 is an abundant number, since it is smaller than the sum of its proper divisors (150413826052).

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

148081821692 is a wasteful number, since it uses less digits than its factorization.

148081821692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41642945 (or 41642943 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 50.

The spelling of 148081821692 in words is "one hundred forty-eight billion, eighty-one million, eight hundred twenty-one thousand, six hundred ninety-two".