201081976623297 has 48 divisors (see below), whose sum is σ = 367526455775232. Its totient is φ = 102899092491360.

The previous prime is 201081976623289. The next prime is 201081976623299. The reversal of 201081976623297 is 792326679180102.

201081976623297 is a `hidden beast` number, since 20 + 108 + 197 + 6 + 6 + 232 + 97 = 666.

It is not a de Polignac number, because 201081976623297 - 2³ = 201081976623289 is a prime.

It is a super-2 number, since 2×201081976623297² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (201081976623299) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2165338513 + ... + 2165431374.

It is an arithmetic number, because the mean of its divisors is an integer number (7656801161984).

Almost surely, 2^{201081976623297} is an apocalyptic number.

It is an amenable number.

201081976623297 is a deficient number, since it is larger than the sum of its proper divisors (166444479151935).

201081976623297 is a wasteful number, since it uses less digits than its factorization.

201081976623297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4330769978 (or 4330769975 counting only the distinct ones).

The product of its (nonzero) digits is 27433728, while the sum is 63.

The spelling of 201081976623297 in words is "two hundred one trillion, eighty-one billion, nine hundred seventy-six million, six hundred twenty-three thousand, two hundred ninety-seven".