2148968056 has 8 divisors (see below), whose sum is σ = 4029315120. Its totient is φ = 1074484024.

The previous prime is 2148968021. The next prime is 2148968057. The reversal of 2148968056 is 6508698412.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2148968057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134310496 + ... + 134310511.

It is an arithmetic number, because the mean of its divisors is an integer number (503664390).

Almost surely, 2^2148968056 is an apocalyptic number.

It is an amenable number.

2148968056 is a deficient number, since it is larger than the sum of its proper divisors (1880347064).

2148968056 is a wasteful number, since it uses less digits than its factorization.

2148968056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268621013 (or 268621009 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 49.

The square root of 2148968056 is about 46356.9634035708. The cubic root of 2148968056 is about 1290.4563527727.

The spelling of 2148968056 in words is "two billion, one hundred forty-eight million, nine hundred sixty-eight thousand, fifty-six".