101785149964 has 72 divisors (see below), whose sum is σ = 191396081520. Its totient is φ = 47348143488.

The previous prime is 101785149911. The next prime is 101785150001. The reversal of 101785149964 is 469941587101.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20731942 + ... + 20736850.

It is an arithmetic number, because the mean of its divisors is an integer number (2658278910).

Almost surely, 2^101785149964 is an apocalyptic number.

It is an amenable number.

101785149964 is a deficient number, since it is larger than the sum of its proper divisors (89610931556).

101785149964 is a wasteful number, since it uses less digits than its factorization.

101785149964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5207 (or 5186 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 55.

The spelling of 101785149964 in words is "one hundred one billion, seven hundred eighty-five million, one hundred forty-nine thousand, nine hundred sixty-four".