1670533632 has 240 divisors, whose sum is σ = 5183418240. Its totient is φ = 536481792.

The previous prime is 1670533597. The next prime is 1670533663. The reversal of 1670533632 is 2363350761.

1670533632 is a `hidden beast` number, since 1 + 67 + 0 + 533 + 63 + 2 = 666.

It is a super-2 number, since 2×1670533632² = 5581365231286222848, which contains 22 as substring.

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

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, 3607833 + ... + 3608295.

It is an arithmetic number, because the mean of its divisors is an integer number (21597576).

Almost surely, 2^1670533632 is an apocalyptic number.

1670533632 is a gapful number since it is divisible by the number (12) 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 1670533632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2591709120).

1670533632 is an abundant number, since it is smaller than the sum of its proper divisors (3512884608).

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

1670533632 is an frugal number, since it uses more digits than its factorization.

1670533632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525 (or 497 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 36.

The square root of 1670533632 is about 40872.1620666194. The cubic root of 1670533632 is about 1186.5473521133.

The spelling of 1670533632 in words is "one billion, six hundred seventy million, five hundred thirty-three thousand, six hundred thirty-two".