201584616954 has 32 divisors (see below), whose sum is σ = 461098617216. Its totient is φ = 57553882560.

The previous prime is 201584616859. The next prime is 201584616971. The reversal of 201584616954 is 459616485102.

It is a junction number, because it is equal to n+sod(n) for n = 201584616897 and 201584616906.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1679737 + ... + 1795740.

It is an arithmetic number, because the mean of its divisors is an integer number (14409331788).

Almost surely, 2^201584616954 is an apocalyptic number.

201584616954 is an abundant number, since it is smaller than the sum of its proper divisors (259514000262).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201584616954 is a wasteful number, since it uses less digits than its factorization.

201584616954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3476870.

The product of its (nonzero) digits is 2073600, while the sum is 51.

The spelling of 201584616954 in words is "two hundred one billion, five hundred eighty-four million, six hundred sixteen thousand, nine hundred fifty-four".