534361630611666 has 96 divisors (see below), whose sum is σ = 1263327020893440. Its totient is φ = 149369332132800.

The previous prime is 534361630611661. The next prime is 534361630611703. The reversal of 534361630611666 is 666116036163435.

It is a super-4 number, since 4×534361630611666⁴ (a number of 60 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (534361630611661) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 144280 + ... + 32691651.

It is an arithmetic number, because the mean of its divisors is an integer number (13159656467640).

Almost surely, 2^{534361630611666} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 534361630611666, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (631663510446720).

534361630611666 is an abundant number, since it is smaller than the sum of its proper divisors (728965390281774).

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

534361630611666 is a wasteful number, since it uses less digits than its factorization.

534361630611666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32837432 (or 32837419 counting only the distinct ones).

The product of its (nonzero) digits is 25194240, while the sum is 57.

The spelling of 534361630611666 in words is "five hundred thirty-four trillion, three hundred sixty-one billion, six hundred thirty million, six hundred eleven thousand, six hundred sixty-six".