1681710552 has 64 divisors (see below), whose sum is σ = 4702860000. Its totient is φ = 556797312.

The previous prime is 1681710529. The next prime is 1681710581. The reversal of 1681710552 is 2550171861.

1681710552 is a `hidden beast` number, since 16 + 81 + 7 + 10 + 552 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6058 + ... + 58310.

Almost surely, 2^1681710552 is an apocalyptic number.

1681710552 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 1681710552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2351430000).

1681710552 is an abundant number, since it is smaller than the sum of its proper divisors (3021149448).

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

1681710552 is a wasteful number, since it uses less digits than its factorization.

1681710552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52417 (or 52407 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 36.

The square root of 1681710552 is about 41008.6643527926. The cubic root of 1681710552 is about 1189.1877214563.

The spelling of 1681710552 in words is "one billion, six hundred eighty-one million, seven hundred ten thousand, five hundred fifty-two".