201696694 has 16 divisors (see below), whose sum is σ = 316590768. Its totient is φ = 96269472.

The previous prime is 201696673. The next prime is 201696709. The reversal of 201696694 is 496696102.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 201696694.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 21792 + ... + 29635.

It is an arithmetic number, because the mean of its divisors is an integer number (19786923).

Almost surely, 2^201696694 is an apocalyptic number.

201696694 is a deficient number, since it is larger than the sum of its proper divisors (114894074).

201696694 is a wasteful number, since it uses less digits than its factorization.

201696694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51519.

The product of its (nonzero) digits is 139968, while the sum is 43.

The square root of 201696694 is about 14201.9961273055. The cubic root of 201696694 is about 586.4526142452.

The spelling of 201696694 in words is "two hundred one million, six hundred ninety-six thousand, six hundred ninety-four".