1652542640612 has 6 divisors (see below), whose sum is σ = 2891949621078. Its totient is φ = 826271320304.

The previous prime is 1652542640597. The next prime is 1652542640647. The reversal of 1652542640612 is 2160462452561.

It can be written as a sum of positive squares in only one way, i.e., 830970803776 + 821571836836 = 911576^2 + 906406^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 206567830073 + ... + 206567830080.

It is an arithmetic number, because the mean of its divisors is an integer number (481991603513).

Almost surely, 2^{1652542640612} is an apocalyptic number.

It is an amenable number.

1652542640612 is a deficient number, since it is larger than the sum of its proper divisors (1239406980466).

1652542640612 is a wasteful number, since it uses less digits than its factorization.

1652542640612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413135660157 (or 413135660155 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 44.

The spelling of 1652542640612 in words is "one trillion, six hundred fifty-two billion, five hundred forty-two million, six hundred forty thousand, six hundred twelve".