201615533066 has 16 divisors (see below), whose sum is σ = 323269023168. Its totient is φ = 94072994400.

The previous prime is 201615533059. The next prime is 201615533081. The reversal of 201615533066 is 660335516102.

201615533066 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53448680 + ... + 53452451.

It is an arithmetic number, because the mean of its divisors is an integer number (20204313948).

Almost surely, 2^201615533066 is an apocalyptic number.

201615533066 is a deficient number, since it is larger than the sum of its proper divisors (121653490102).

201615533066 is a wasteful number, since it uses less digits than its factorization.

201615533066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106901197.

The product of its (nonzero) digits is 97200, while the sum is 38.

The spelling of 201615533066 in words is "two hundred one billion, six hundred fifteen million, five hundred thirty-three thousand, sixty-six".