201668353702 has 32 divisors (see below), whose sum is σ = 318061811232. Its totient is φ = 95779563264.

The previous prime is 201668353687. The next prime is 201668353741. The reversal of 201668353702 is 207353866102.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6836128 + ... + 6865564.

It is an arithmetic number, because the mean of its divisors is an integer number (9939431601).

Almost surely, 2^201668353702 is an apocalyptic number.

201668353702 is a deficient number, since it is larger than the sum of its proper divisors (116393457530).

201668353702 is a wasteful number, since it uses less digits than its factorization.

201668353702 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31672.

The product of its (nonzero) digits is 362880, while the sum is 43.

The spelling of 201668353702 in words is "two hundred one billion, six hundred sixty-eight million, three hundred fifty-three thousand, seven hundred two".