201876197642 has 16 divisors (see below), whose sum is σ = 354121703232. Its totient is φ = 84506315040.

The previous prime is 201876197569. The next prime is 201876197647. The reversal of 201876197642 is 246791678102.

It is not an unprimeable number, because it can be changed into a prime (201876197647) 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 7 ways as a sum of consecutive naturals, for example, 167670659 + ... + 167671862.

It is an arithmetic number, because the mean of its divisors is an integer number (22132606452).

Almost surely, 2^201876197642 is an apocalyptic number.

201876197642 is a deficient number, since it is larger than the sum of its proper divisors (152245505590).

201876197642 is a wasteful number, since it uses less digits than its factorization.

201876197642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335342573.

The product of its (nonzero) digits is 2032128, while the sum is 53.

The spelling of 201876197642 in words is "two hundred one billion, eight hundred seventy-six million, one hundred ninety-seven thousand, six hundred forty-two".