263746130016 has 48 divisors (see below), whose sum is σ = 728772206400. Its totient is φ = 83288251008.

The previous prime is 263746129979. The next prime is 263746130099. The reversal of 263746130016 is 610031647362.

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

It is a congruent number.

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, 72297006 + ... + 72300653.

It is an arithmetic number, because the mean of its divisors is an integer number (15182754300).

Almost surely, 2^263746130016 is an apocalyptic number.

It is an amenable number.

263746130016 is an abundant number, since it is smaller than the sum of its proper divisors (465026076384).

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

263746130016 is a wasteful number, since it uses less digits than its factorization.

263746130016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144597691 (or 144597683 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 39.

Adding to 263746130016 its reverse (610031647362), we get a palindrome (873777777378).

The spelling of 263746130016 in words is "two hundred sixty-three billion, seven hundred forty-six million, one hundred thirty thousand, sixteen".