1662012071522 has 16 divisors (see below), whose sum is σ = 2837902036032. Its totient is φ = 722613943920.

The previous prime is 1662012071521. The next prime is 1662012071563. The reversal of 1662012071522 is 2251702102661.

It is not an unprimeable number, because it can be changed into a prime (1662012071521) 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, 1642303913 + ... + 1642304924.

It is an arithmetic number, because the mean of its divisors is an integer number (177368877252).

Almost surely, 2^{1662012071522} is an apocalyptic number.

1662012071522 is a deficient number, since it is larger than the sum of its proper divisors (1175889964510).

1662012071522 is a wasteful number, since it uses less digits than its factorization.

1662012071522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3284608873.

The product of its (nonzero) digits is 20160, while the sum is 35.

The spelling of 1662012071522 in words is "one trillion, six hundred sixty-two billion, twelve million, seventy-one thousand, five hundred twenty-two".