1610012216512 has 56 divisors (see below), whose sum is σ = 3769060889600. Its totient is φ = 667746996480.

The previous prime is 1610012216497. The next prime is 1610012216573. The reversal of 1610012216512 is 2156122100161.

It is a tau number, because it is divible by the number of its divisors (56).

It is a super-2 number, since 2×1610012216512² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57950262 + ... + 57978037.

Almost surely, 2^{1610012216512} is an apocalyptic number.

It is an amenable number.

1610012216512 is an abundant number, since it is smaller than the sum of its proper divisors (2159048673088).

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

1610012216512 is a wasteful number, since it uses less digits than its factorization.

1610012216512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115928349 (or 115928339 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 28.

Adding to 1610012216512 its reverse (2156122100161), we get a palindrome (3766134316673).

The spelling of 1610012216512 in words is "one trillion, six hundred ten billion, twelve million, two hundred sixteen thousand, five hundred twelve".