36466717121640 has 384 divisors, whose sum is σ = 128075807059200. Its totient is φ = 8945365524480.

The previous prime is 36466717121579. The next prime is 36466717121657. The reversal of 36466717121640 is 4612171766463.

36466717121640 is a `hidden beast` number, since 3 + 6 + 466 + 7 + 1 + 7 + 12 + 164 + 0 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1810022047 + ... + 1810042193.

It is an arithmetic number, because the mean of its divisors is an integer number (333530747550).

Almost surely, 2^{36466717121640} is an apocalyptic number.

36466717121640 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 36466717121640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64037903529600).

36466717121640 is an abundant number, since it is smaller than the sum of its proper divisors (91609089937560).

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

36466717121640 is a wasteful number, since it uses less digits than its factorization.

36466717121640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21497 (or 21490 counting only the distinct ones).

The product of its (nonzero) digits is 6096384, while the sum is 54.

The spelling of 36466717121640 in words is "thirty-six trillion, four hundred sixty-six billion, seven hundred seventeen million, one hundred twenty-one thousand, six hundred forty".