149571168813 has 32 divisors (see below), whose sum is σ = 241752729600. Its totient is φ = 90641113200.

The previous prime is 149571168811. The next prime is 149571168827. The reversal of 149571168813 is 318861175941.

149571168813 is a `hidden beast` number, since 1 + 4 + 9 + 571 + 1 + 68 + 8 + 1 + 3 = 666.

It is not a de Polignac number, because 149571168813 - 2¹ = 149571168811 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 149571168813.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149571168811) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6531778 + ... + 6554636.

It is an arithmetic number, because the mean of its divisors is an integer number (7554772800).

Almost surely, 2^149571168813 is an apocalyptic number.

It is an amenable number.

149571168813 is a deficient number, since it is larger than the sum of its proper divisors (92181560787).

149571168813 is a wasteful number, since it uses less digits than its factorization.

149571168813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44910 (or 44904 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 54.

The spelling of 149571168813 in words is "one hundred forty-nine billion, five hundred seventy-one million, one hundred sixty-eight thousand, eight hundred thirteen".