51333620523416 has 64 divisors (see below), whose sum is σ = 121791726247680. Its totient is φ = 19701602743680.

The previous prime is 51333620523413. The next prime is 51333620523467. The reversal of 51333620523416 is 61432502633315.

It is a super-4 number, since 4×51333620523416⁴ (a number of 56 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51333620523413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 621852755 + ... + 621935298.

It is an arithmetic number, because the mean of its divisors is an integer number (1902995722620).

Almost surely, 2^{51333620523416} is an apocalyptic number.

51333620523416 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

51333620523416 is an abundant number, since it is smaller than the sum of its proper divisors (70458105724264).

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

51333620523416 is a wasteful number, since it uses less digits than its factorization.

51333620523416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1243788144 (or 1243788140 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 44.

The spelling of 51333620523416 in words is "fifty-one trillion, three hundred thirty-three billion, six hundred twenty million, five hundred twenty-three thousand, four hundred sixteen".