201601500670 has 32 divisors (see below), whose sum is σ = 367538083200. Its totient is φ = 79606415616.

The previous prime is 201601500637. The next prime is 201601500677. The reversal of 201601500670 is 76005106102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201601500677) 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, 5598162 + ... + 5634058.

It is an arithmetic number, because the mean of its divisors is an integer number (11485565100).

Almost surely, 2^201601500670 is an apocalyptic number.

201601500670 is a deficient number, since it is larger than the sum of its proper divisors (165936582530).

201601500670 is a wasteful number, since it uses less digits than its factorization.

201601500670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43092.

The product of its (nonzero) digits is 2520, while the sum is 28.

Adding to 201601500670 its reverse (76005106102), we get a palindrome (277606606772).

The spelling of 201601500670 in words is "two hundred one billion, six hundred one million, five hundred thousand, six hundred seventy".