51623116270 has 16 divisors (see below), whose sum is σ = 101369028528. Its totient is φ = 18772042240.

The previous prime is 51623116267. The next prime is 51623116271. The reversal of 51623116270 is 7261132615.

It is a super-2 number, since 2×51623116270² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51623116271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 234650419 + ... + 234650638.

It is an arithmetic number, because the mean of its divisors is an integer number (6335564283).

Almost surely, 2^51623116270 is an apocalyptic number.

51623116270 is a deficient number, since it is larger than the sum of its proper divisors (49745912258).

51623116270 is a wasteful number, since it uses less digits than its factorization.

51623116270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469301075.

The product of its (nonzero) digits is 15120, while the sum is 34.

Adding to 51623116270 its reverse (7261132615), we get a palindrome (58884248885).

The spelling of 51623116270 in words is "fifty-one billion, six hundred twenty-three million, one hundred sixteen thousand, two hundred seventy".