201166572 has 24 divisors (see below), whose sum is σ = 476001792. Its totient is φ = 66110800.

The previous prime is 201166571. The next prime is 201166573. The reversal of 201166572 is 275661102.

It is an interprime number because it is at equal distance from previous prime (201166571) and next prime (201166573).

It is not an unprimeable number, because it can be changed into a prime (201166571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117204 + ... + 118907.

It is an arithmetic number, because the mean of its divisors is an integer number (19833408).

Almost surely, 2^201166572 is an apocalyptic number.

It is an amenable number.

201166572 is an abundant number, since it is smaller than the sum of its proper divisors (274835220).

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

201166572 is a wasteful number, since it uses less digits than its factorization.

201166572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236189 (or 236187 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 201166572 is about 14183.3202036759. The cubic root of 201166572 is about 585.9383698149.

The spelling of 201166572 in words is "two hundred one million, one hundred sixty-six thousand, five hundred seventy-two".