52166616 has 64 divisors (see below), whose sum is σ = 134784000. Its totient is φ = 16816128.

The previous prime is 52166567. The next prime is 52166617. The reversal of 52166616 is 61666125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52166617) 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, 115960 + ... + 116408.

It is an arithmetic number, because the mean of its divisors is an integer number (2106000).

Almost surely, 2^52166616 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52166616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67392000).

52166616 is an abundant number, since it is smaller than the sum of its proper divisors (82617384).

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

52166616 is a wasteful number, since it uses less digits than its factorization.

52166616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 608 (or 604 counting only the distinct ones).

The product of its digits is 12960, while the sum is 33.

The square root of 52166616 is about 7222.6460525212. The cubic root of 52166616 is about 373.6493419906.

The spelling of 52166616 in words is "fifty-two million, one hundred sixty-six thousand, six hundred sixteen".