1671725376 has 168 divisors, whose sum is σ = 5029712064. Its totient is φ = 529858560.

The previous prime is 1671725351. The next prime is 1671725381. The reversal of 1671725376 is 6735271761.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3404491 + ... + 3404981.

Almost surely, 2^1671725376 is an apocalyptic number.

1671725376 is a gapful number since it is divisible by the number (16) 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 1671725376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2514856032).

1671725376 is an abundant number, since it is smaller than the sum of its proper divisors (3357986688).

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

1671725376 is a wasteful number, since it uses less digits than its factorization.

1671725376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 789 (or 776 counting only the distinct ones).

The product of its digits is 370440, while the sum is 45.

The square root of 1671725376 is about 40886.7383878930. The cubic root of 1671725376 is about 1186.8294425252.

The spelling of 1671725376 in words is "one billion, six hundred seventy-one million, seven hundred twenty-five thousand, three hundred seventy-six".