20165158486608 has 40 divisors (see below), whose sum is σ = 52093745349408. Its totient is φ = 6721665397632.

The previous prime is 20165158486607. The next prime is 20165158486667. The reversal of 20165158486608 is 80668485156102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20165158486607) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4575010 + ... + 7826942.

Almost surely, 2^{20165158486608} is an apocalyptic number.

It is an amenable number.

20165158486608 is an abundant number, since it is smaller than the sum of its proper divisors (31928586862800).

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

20165158486608 is a wasteful number, since it uses less digits than its factorization.

20165158486608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3381131 (or 3381125 counting only the distinct ones).

The product of its (nonzero) digits is 22118400, while the sum is 60.

The spelling of 20165158486608 in words is "twenty trillion, one hundred sixty-five billion, one hundred fifty-eight million, four hundred eighty-six thousand, six hundred eight".