1672231860 has 288 divisors, whose sum is σ = 5847109632. Its totient is φ = 383201280.

The previous prime is 1672231837. The next prime is 1672231871. The reversal of 1672231860 is 681322761.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5051895 + ... + 5052225.

It is an arithmetic number, because the mean of its divisors is an integer number (20302464).

Almost surely, 2^1672231860 is an apocalyptic number.

1672231860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1672231860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2923554816).

1672231860 is an abundant number, since it is smaller than the sum of its proper divisors (4174877772).

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

1672231860 is a wasteful number, since it uses less digits than its factorization.

1672231860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503 (or 498 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 1672231860 is about 40892.9316630637. The cubic root of 1672231860 is about 1186.9492886507.

Subtracting from 1672231860 its reverse (681322761), we obtain a palindrome (990909099).

The spelling of 1672231860 in words is "one billion, six hundred seventy-two million, two hundred thirty-one thousand, eight hundred sixty".