20146167511640 has 32 divisors (see below), whose sum is σ = 45329065992000. Its totient is φ = 8058433388544.

The previous prime is 20146167511637. The next prime is 20146167511699. The reversal of 20146167511640 is 4611576164102.

It is a super-3 number, since 3×20146167511640³ (a number of 41 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20146167511591 and 20146167511600.

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, 10126241 + ... + 11951279.

It is an arithmetic number, because the mean of its divisors is an integer number (1416533312250).

Almost surely, 2^{20146167511640} is an apocalyptic number.

20146167511640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20146167511640 is an abundant number, since it is smaller than the sum of its proper divisors (25182898480360).

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

20146167511640 is a wasteful number, since it uses less digits than its factorization.

20146167511640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2101019 (or 2101015 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 44.

The spelling of 20146167511640 in words is "twenty trillion, one hundred forty-six billion, one hundred sixty-seven million, five hundred eleven thousand, six hundred forty".