1672159975820 has 192 divisors, whose sum is σ = 3871437628800. Its totient is φ = 604393021440.

The previous prime is 1672159975817. The next prime is 1672159975859. The reversal of 1672159975820 is 285799512761.

It is a super-2 number, since 2×1672159975820² (a number of 25 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (62) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 268444466 + ... + 268450694.

It is an arithmetic number, because the mean of its divisors is an integer number (20163737650).

Almost surely, 2^{1672159975820} is an apocalyptic number.

1672159975820 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 1672159975820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1935718814400).

1672159975820 is an abundant number, since it is smaller than the sum of its proper divisors (2199277652980).

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

1672159975820 is a wasteful number, since it uses less digits than its factorization.

1672159975820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6668 (or 6666 counting only the distinct ones).

The product of its (nonzero) digits is 19051200, while the sum is 62.

The spelling of 1672159975820 in words is "one trillion, six hundred seventy-two billion, one hundred fifty-nine million, nine hundred seventy-five thousand, eight hundred twenty".