16552052001 has 20 divisors (see below), whose sum is σ = 24737608324. Its totient is φ = 11029478400.

The previous prime is 16552051961. The next prime is 16552052119. The reversal of 16552052001 is 10025025561.

16552052001 is a `hidden beast` number, since 1 + 655 + 2 + 0 + 5 + 2 + 0 + 0 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 7035854400 + 9516197601 = 83880^2 + 97551^2 .

It is not a de Polignac number, because 16552052001 - 2¹⁸ = 16551789857 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (16552052501) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 127761 + ... + 222321.

Almost surely, 2^16552052001 is an apocalyptic number.

It is an amenable number.

16552052001 is a deficient number, since it is larger than the sum of its proper divisors (8185556323).

16552052001 is an equidigital number, since it uses as much as digits as its factorization.

16552052001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96734 (or 96725 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

Adding to 16552052001 its reverse (10025025561), we get a palindrome (26577077562).

The spelling of 16552052001 in words is "sixteen billion, five hundred fifty-two million, fifty-two thousand, one".