1676635380 has 144 divisors (see below), whose sum is σ = 5838303744. Its totient is φ = 381519360.

The previous prime is 1676635379. The next prime is 1676635417. The reversal of 1676635380 is 835366761.

1676635380 is a `hidden beast` number, since 1 + 6 + 7 + 6 + 635 + 3 + 8 + 0 = 666.

It is a super-2 number, since 2×1676635380² = 5622212394935488800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 290725 + ... + 296435.

It is an arithmetic number, because the mean of its divisors is an integer number (40543776).

Almost surely, 2^1676635380 is an apocalyptic number.

1676635380 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 1676635380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2919151872).

1676635380 is an abundant number, since it is smaller than the sum of its proper divisors (4161668364).

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

1676635380 is a wasteful number, since it uses less digits than its factorization.

1676635380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5966 (or 5961 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 45.

The square root of 1676635380 is about 40946.7383316425. The cubic root of 1676635380 is about 1187.9902475137.

The spelling of 1676635380 in words is "one billion, six hundred seventy-six million, six hundred thirty-five thousand, three hundred eighty".