16552901 has 4 divisors (see below), whose sum is σ = 16622400. Its totient is φ = 16483404.

The previous prime is 16552871. The next prime is 16552903. The reversal of 16552901 is 10925561.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 16552901 - 2¹⁰ = 16551877 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16552903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34391 + ... + 34868.

It is an arithmetic number, because the mean of its divisors is an integer number (4155600).

Almost surely, 2^16552901 is an apocalyptic number.

16552901 is the 1820-th centered decagonal number.

It is an amenable number.

16552901 is a deficient number, since it is larger than the sum of its proper divisors (69499).

16552901 is an equidigital number, since it uses as much as digits as its factorization.

16552901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69498.

The product of its (nonzero) digits is 2700, while the sum is 29.

The square root of 16552901 is about 4068.5256543372. The cubic root of 16552901 is about 254.8539519962.

The spelling of 16552901 in words is "sixteen million, five hundred fifty-two thousand, nine hundred one".