201151602 has 24 divisors (see below), whose sum is σ = 437390460. Its totient is φ = 66810240.

The previous prime is 201151567. The next prime is 201151607. The reversal of 201151602 is 206151102.

201151602 is a `hidden beast` number, since 2 + 0 + 11 + 51 + 602 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 198556281 + 2595321 = 14091^2 + 1611^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (201151607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14827 + ... + 24942.

Almost surely, 2^201151602 is an apocalyptic number.

201151602 is an abundant number, since it is smaller than the sum of its proper divisors (236238858).

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

201151602 is a wasteful number, since it uses less digits than its factorization.

201151602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40058 (or 40055 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 201151602 is about 14182.7924612891. The cubic root of 201151602 is about 585.9238350690.

The spelling of 201151602 in words is "two hundred one million, one hundred fifty-one thousand, six hundred two".