2086366172 has 24 divisors (see below), whose sum is σ = 3985414272. Its totient is φ = 947788400.

The previous prime is 2086366171. The next prime is 2086366189. The reversal of 2086366172 is 2716636802.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2086366171) 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, 66593 + ... + 92775.

It is an arithmetic number, because the mean of its divisors is an integer number (166058928).

Almost surely, 2^2086366172 is an apocalyptic number.

2086366172 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2086366172 is a deficient number, since it is larger than the sum of its proper divisors (1899048100).

2086366172 is a wasteful number, since it uses less digits than its factorization.

2086366172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28009 (or 28007 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 2086366172 is about 45676.7574593469. The cubic root of 2086366172 is about 1277.8018449260.

The spelling of 2086366172 in words is "two billion, eighty-six million, three hundred sixty-six thousand, one hundred seventy-two".