20230515643166 has 16 divisors (see below), whose sum is σ = 30391664379648. Its totient is φ = 10099962754200.

The previous prime is 20230515643153. The next prime is 20230515643187. The reversal of 20230515643166 is 66134651503202.

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, 21150731 + ... + 22086521.

It is an arithmetic number, because the mean of its divisors is an integer number (1899479023728).

Almost surely, 2^{20230515643166} is an apocalyptic number.

20230515643166 is a deficient number, since it is larger than the sum of its proper divisors (10161148736482).

20230515643166 is a wasteful number, since it uses less digits than its factorization.

20230515643166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 952127.

The product of its (nonzero) digits is 777600, while the sum is 44.

The spelling of 20230515643166 in words is "twenty trillion, two hundred thirty billion, five hundred fifteen million, six hundred forty-three thousand, one hundred sixty-six".