1664050540362 has 128 divisors (see below), whose sum is σ = 4054952116224. Its totient is φ = 444920845248.

The previous prime is 1664050540349. The next prime is 1664050540379. The reversal of 1664050540362 is 2630450504661.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 150138873 + ... + 150149955.

It is an arithmetic number, because the mean of its divisors is an integer number (31679313408).

Almost surely, 2^{1664050540362} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1664050540362, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2027476058112).

1664050540362 is an abundant number, since it is smaller than the sum of its proper divisors (2390901575862).

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

1664050540362 is a wasteful number, since it uses less digits than its factorization.

1664050540362 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14472.

The product of its (nonzero) digits is 518400, while the sum is 42.

The spelling of 1664050540362 in words is "one trillion, six hundred sixty-four billion, fifty million, five hundred forty thousand, three hundred sixty-two".