201553106 has 8 divisors (see below), whose sum is σ = 302932224. Its totient is φ = 100575700.

The previous prime is 201553091. The next prime is 201553123. The reversal of 201553106 is 601355102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99170 + ... + 101181.

It is an arithmetic number, because the mean of its divisors is an integer number (37866528).

Almost surely, 2^201553106 is an apocalyptic number.

201553106 is a deficient number, since it is larger than the sum of its proper divisors (101379118).

201553106 is a wasteful number, since it uses less digits than its factorization.

201553106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200856.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 201553106 is about 14196.9400224133. The cubic root of 201553106 is about 586.3134158830.

The spelling of 201553106 in words is "two hundred one million, five hundred fifty-three thousand, one hundred six".