3520164365402 has 4 divisors (see below), whose sum is σ = 5280246548106. Its totient is φ = 1760082182700.

The previous prime is 3520164365401. The next prime is 3520164365413. The reversal of 3520164365402 is 2045634610253.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2515621217041 + 1004543148361 = 1586071^2 + 1002269^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3520164365402.

It is not an unprimeable number, because it can be changed into a prime (3520164365401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 880041091349 + ... + 880041091352.

Almost surely, 2^{3520164365402} is an apocalyptic number.

3520164365402 is a deficient number, since it is larger than the sum of its proper divisors (1760082182704).

3520164365402 is a wasteful number, since it uses less digits than its factorization.

3520164365402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1760082182703.

The product of its (nonzero) digits is 518400, while the sum is 41.

Adding to 3520164365402 its reverse (2045634610253), we get a palindrome (5565798975655).

The spelling of 3520164365402 in words is "three trillion, five hundred twenty billion, one hundred sixty-four million, three hundred sixty-five thousand, four hundred two".