201888856582 has 16 divisors (see below), whose sum is σ = 346245910560. Its totient is φ = 86486113728.

The previous prime is 201888856523. The next prime is 201888856583. The reversal of 201888856582 is 285658888102.

It is a super-2 number, since 2×201888856582² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 201888856582.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201888856583) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3106857 + ... + 3171172.

It is an arithmetic number, because the mean of its divisors is an integer number (21640369410).

Almost surely, 2^201888856582 is an apocalyptic number.

201888856582 is a deficient number, since it is larger than the sum of its proper divisors (144357053978).

201888856582 is a wasteful number, since it uses less digits than its factorization.

201888856582 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6280335.

The product of its (nonzero) digits is 19660800, while the sum is 61.

The spelling of 201888856582 in words is "two hundred one billion, eight hundred eighty-eight million, eight hundred fifty-six thousand, five hundred eighty-two".