201651098 has 12 divisors (see below), whose sum is σ = 332474730. Its totient is φ = 91659480.

The previous prime is 201651091. The next prime is 201651113. The reversal of 201651098 is 890156102.

It can be written as a sum of positive squares in only one way, i.e., 199176769 + 2474329 = 14113^2 + 1573^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (201651091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 416393 + ... + 416876.

Almost surely, 2^201651098 is an apocalyptic number.

201651098 is a deficient number, since it is larger than the sum of its proper divisors (130823632).

201651098 is a wasteful number, since it uses less digits than its factorization.

201651098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 833293 (or 833282 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 32.

The square root of 201651098 is about 14200.3907692711. The cubic root of 201651098 is about 586.4084193238.

The spelling of 201651098 in words is "two hundred one million, six hundred fifty-one thousand, ninety-eight".