3866534963610 has 384 divisors, whose sum is σ = 11099947622400. Its totient is φ = 858062937600.

The previous prime is 3866534963597. The next prime is 3866534963617. The reversal of 3866534963610 is 163694356683.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3866534963617) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 2388223381 + ... + 2388224999.

It is an arithmetic number, because the mean of its divisors is an integer number (28906113600).

Almost surely, 2^{3866534963610} is an apocalyptic number.

3866534963610 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3866534963610, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5549973811200).

3866534963610 is an abundant number, since it is smaller than the sum of its proper divisors (7233412658790).

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

3866534963610 is a wasteful number, since it uses less digits than its factorization.

3866534963610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2818 (or 2807 counting only the distinct ones).

The product of its (nonzero) digits is 50388480, while the sum is 60.

The spelling of 3866534963610 in words is "three trillion, eight hundred sixty-six billion, five hundred thirty-four million, nine hundred sixty-three thousand, six hundred ten".