201807648345 has 16 divisors (see below), whose sum is σ = 322902535680. Its totient is φ = 107627313024.

The previous prime is 201807648337. The next prime is 201807648347. The reversal of 201807648345 is 543846708102.

It is not a de Polignac number, because 201807648345 - 2³ = 201807648337 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201807648294 and 201807648303.

It is not an unprimeable number, because it can be changed into a prime (201807648347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 313336 + ... + 708374.

It is an arithmetic number, because the mean of its divisors is an integer number (20181408480).

Almost surely, 2^201807648345 is an apocalyptic number.

It is an amenable number.

201807648345 is a deficient number, since it is larger than the sum of its proper divisors (121094887335).

201807648345 is a wasteful number, since it uses less digits than its factorization.

201807648345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429104.

The product of its (nonzero) digits is 1290240, while the sum is 48.

The spelling of 201807648345 in words is "two hundred one billion, eight hundred seven million, six hundred forty-eight thousand, three hundred forty-five".