1672416520 has 64 divisors (see below), whose sum is σ = 3891018240. Its totient is φ = 646272000.

The previous prime is 1672416481. The next prime is 1672416569. The reversal of 1672416520 is 256142761.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1391920 + ... + 1393120.

It is an arithmetic number, because the mean of its divisors is an integer number (60797160).

Almost surely, 2^1672416520 is an apocalyptic number.

1672416520 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 1672416520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1945509120).

1672416520 is an abundant number, since it is smaller than the sum of its proper divisors (2218601720).

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

1672416520 is a wasteful number, since it uses less digits than its factorization.

1672416520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2366 (or 2362 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 1672416520 is about 40895.1894481490. The cubic root of 1672416520 is about 1186.9929775660.

The spelling of 1672416520 in words is "one billion, six hundred seventy-two million, four hundred sixteen thousand, five hundred twenty".