51151633014664 has 32 divisors (see below), whose sum is σ = 118042230035520. Its totient is φ = 20235810862656.

The previous prime is 51151633014641. The next prime is 51151633014761. The reversal of 51151633014664 is 46641033615115.

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, 35131615354 + ... + 35131616809.

It is an arithmetic number, because the mean of its divisors is an integer number (3688819688610).

Almost surely, 2^{51151633014664} is an apocalyptic number.

It is an amenable number.

51151633014664 is an abundant number, since it is smaller than the sum of its proper divisors (66890597020856).

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

51151633014664 is a wasteful number, since it uses less digits than its factorization.

51151633014664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70263232189 (or 70263232185 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 46.

Adding to 51151633014664 its reverse (46641033615115), we get a palindrome (97792666629779).

The spelling of 51151633014664 in words is "fifty-one trillion, one hundred fifty-one billion, six hundred thirty-three million, fourteen thousand, six hundred sixty-four".