1646052145000 has 80 divisors (see below), whose sum is σ = 3874980859200. Its totient is φ = 655299960000.

The previous prime is 1646052144991. The next prime is 1646052145009. The reversal of 1646052145000 is 5412506461.

It is an interprime number because it is at equal distance from previous prime (1646052144991) and next prime (1646052145009).

It is not an unprimeable number, because it can be changed into a prime (1646052145009) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 274881 + ... + 1835119.

It is an arithmetic number, because the mean of its divisors is an integer number (48437260740).

Almost surely, 2^{1646052145000} is an apocalyptic number.

1646052145000 is a gapful number since it is divisible by the number (10) 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 1646052145000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1937490429600).

1646052145000 is an abundant number, since it is smaller than the sum of its proper divisors (2228928714200).

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

1646052145000 is a wasteful number, since it uses less digits than its factorization.

1646052145000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1560476 (or 1560457 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 34.

The spelling of 1646052145000 in words is "one trillion, six hundred forty-six billion, fifty-two million, one hundred forty-five thousand".