1672051520 has 56 divisors (see below), whose sum is σ = 4013021184. Its totient is φ = 663538176.

The previous prime is 1672051519. The next prime is 1672051529. The reversal of 1672051520 is 251502761.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1672051529) 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, 20069 + ... + 61211.

Almost surely, 2^1672051520 is an apocalyptic number.

1672051520 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 1672051520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2006510592).

1672051520 is an abundant number, since it is smaller than the sum of its proper divisors (2340969664).

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

1672051520 is a wasteful number, since it uses less digits than its factorization.

1672051520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41287 (or 41277 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 29.

The square root of 1672051520 is about 40890.7265770615. The cubic root of 1672051520 is about 1186.9066187046.

The spelling of 1672051520 in words is "one billion, six hundred seventy-two million, fifty-one thousand, five hundred twenty".