1662058872 has 64 divisors (see below), whose sum is σ = 4640868000. Its totient is φ = 551135232.

The previous prime is 1662058847. The next prime is 1662058901. The reversal of 1662058872 is 2788502661.

1662058872 is a `hidden beast` number, since 1 + 6 + 62 + 0 + 588 + 7 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21754 + ... + 61622.

Almost surely, 2^1662058872 is an apocalyptic number.

1662058872 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 1662058872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2320434000).

1662058872 is an abundant number, since it is smaller than the sum of its proper divisors (2978809128).

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

1662058872 is a wasteful number, since it uses less digits than its factorization.

1662058872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40077 (or 40067 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The square root of 1662058872 is about 40768.3562582550. The cubic root of 1662058872 is about 1184.5374640921.

The spelling of 1662058872 in words is "one billion, six hundred sixty-two million, fifty-eight thousand, eight hundred seventy-two".