235691151648 has 48 divisors (see below), whose sum is σ = 645588812736. Its totient is φ = 75147902720.

The previous prime is 235691151637. The next prime is 235691151719. The reversal of 235691151648 is 846151196532.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 235691151648.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53369883 + ... + 53374298.

It is an arithmetic number, because the mean of its divisors is an integer number (13449766932).

Almost surely, 2^235691151648 is an apocalyptic number.

It is an amenable number.

235691151648 is an abundant number, since it is smaller than the sum of its proper divisors (409897661088).

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

235691151648 is a wasteful number, since it uses less digits than its factorization.

235691151648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106744217 (or 106744209 counting only the distinct ones).

The product of its digits is 1555200, while the sum is 51.

The spelling of 235691151648 in words is "two hundred thirty-five billion, six hundred ninety-one million, one hundred fifty-one thousand, six hundred forty-eight".