208150641 has 28 divisors (see below), whose sum is σ = 320559412. Its totient is φ = 134999136.

The previous prime is 208150609. The next prime is 208150697. The reversal of 208150641 is 146051802.

208150641 is a `hidden beast` number, since 2 + 0 + 8 + 15 + 0 + 641 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 148937616 + 59213025 = 12204^2 + 7695^2 .

It is not a de Polignac number, because 208150641 - 2⁵ = 208150609 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (208150741) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 23115 + ... + 30831.

Almost surely, 2^208150641 is an apocalyptic number.

It is an amenable number.

208150641 is a deficient number, since it is larger than the sum of its proper divisors (112408771).

208150641 is an frugal number, since it uses more digits than its factorization.

208150641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7772 (or 7757 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 208150641 is about 14427.4266936277. The cubic root of 208150641 is about 592.6422155013.

The spelling of 208150641 in words is "two hundred eight million, one hundred fifty thousand, six hundred forty-one".