201630256510 has 8 divisors (see below), whose sum is σ = 362934461736. Its totient is φ = 80652102600.

The previous prime is 201630256481. The next prime is 201630256511. The reversal of 201630256510 is 15652036102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201630256511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10081512816 + ... + 10081512835.

It is an arithmetic number, because the mean of its divisors is an integer number (45366807717).

Almost surely, 2^201630256510 is an apocalyptic number.

201630256510 is a deficient number, since it is larger than the sum of its proper divisors (161304205226).

201630256510 is a wasteful number, since it uses less digits than its factorization.

201630256510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20163025658.

The product of its (nonzero) digits is 10800, while the sum is 31.

The spelling of 201630256510 in words is "two hundred one billion, six hundred thirty million, two hundred fifty-six thousand, five hundred ten".