1662164601213 has 8 divisors (see below), whose sum is σ = 2218394368800. Its totient is φ = 1107022283888.

The previous prime is 1662164601211. The next prime is 1662164601217. The reversal of 1662164601213 is 3121064612661.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1662164601213 - 2¹ = 1662164601211 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1662164601211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 271858998 + ... + 271865111.

It is an arithmetic number, because the mean of its divisors is an integer number (277299296100).

Almost surely, 2^{1662164601213} is an apocalyptic number.

It is an amenable number.

1662164601213 is a deficient number, since it is larger than the sum of its proper divisors (556229767587).

1662164601213 is a wasteful number, since it uses less digits than its factorization.

1662164601213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543725131.

The product of its (nonzero) digits is 62208, while the sum is 39.

The spelling of 1662164601213 in words is "one trillion, six hundred sixty-two billion, one hundred sixty-four million, six hundred one thousand, two hundred thirteen".