201061567 has 16 divisors (see below), whose sum is σ = 251154432. Its totient is φ = 156965760.

The previous prime is 201061543. The next prime is 201061583. The reversal of 201061567 is 765160102.

It is not a de Polignac number, because 201061567 - 2²³ = 192672959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201061517) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23563 + ... + 30940.

It is an arithmetic number, because the mean of its divisors is an integer number (15697152).

Almost surely, 2^201061567 is an apocalyptic number.

201061567 is a deficient number, since it is larger than the sum of its proper divisors (50092865).

201061567 is a wasteful number, since it uses less digits than its factorization.

201061567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54558.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 201061567 is about 14179.6180131906. The cubic root of 201061567 is about 585.8364026305.

The spelling of 201061567 in words is "two hundred one million, sixty-one thousand, five hundred sixty-seven".