149885190620 has 24 divisors (see below), whose sum is σ = 343373346288. Its totient is φ = 54503705600.

The previous prime is 149885190593. The next prime is 149885190703. The reversal of 149885190620 is 26091588941.

149885190620 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 340647941 + ... + 340648380.

It is an arithmetic number, because the mean of its divisors is an integer number (14307222762).

Almost surely, 2^149885190620 is an apocalyptic number.

149885190620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

149885190620 is an abundant number, since it is smaller than the sum of its proper divisors (193488155668).

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

149885190620 is a wasteful number, since it uses less digits than its factorization.

149885190620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 681296341 (or 681296339 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 53.

The spelling of 149885190620 in words is "one hundred forty-nine billion, eight hundred eighty-five million, one hundred ninety thousand, six hundred twenty".