1796197680 has 280 divisors, whose sum is σ = 6594987120. Its totient is φ = 453496320.

The previous prime is 1796197657. The next prime is 1796197709. The reversal of 1796197680 is 867916971.

1796197680 is a `hidden beast` number, since 17 + 9 + 619 + 7 + 6 + 8 + 0 = 666.

It is a super-2 number, since 2×1796197680² = 6452652211274764800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 1107270 + ... + 1108890.

Almost surely, 2^1796197680 is an apocalyptic number.

1796197680 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 1796197680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3297493560).

1796197680 is an abundant number, since it is smaller than the sum of its proper divisors (4798789440).

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

1796197680 is a wasteful number, since it uses less digits than its factorization.

1796197680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1671 (or 1650 counting only the distinct ones).

The product of its (nonzero) digits is 1143072, while the sum is 54.

The square root of 1796197680 is about 42381.5724106598. The cubic root of 1796197680 is about 1215.5832590571.

The spelling of 1796197680 in words is "one billion, seven hundred ninety-six million, one hundred ninety-seven thousand, six hundred eighty".