1338161037572 has 6 divisors (see below), whose sum is σ = 2341781815758. Its totient is φ = 669080518784.

The previous prime is 1338161037503. The next prime is 1338161037581. The reversal of 1338161037572 is 2757301618331.

It can be written as a sum of positive squares in only one way, i.e., 1305045772996 + 33115264576 = 1142386^2 + 181976^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 167270129693 + ... + 167270129700.

It is an arithmetic number, because the mean of its divisors is an integer number (390296969293).

Almost surely, 2^{1338161037572} is an apocalyptic number.

It is an amenable number.

1338161037572 is a deficient number, since it is larger than the sum of its proper divisors (1003620778186).

1338161037572 is a wasteful number, since it uses less digits than its factorization.

1338161037572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334540259397 (or 334540259395 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 47.

The spelling of 1338161037572 in words is "one trillion, three hundred thirty-eight billion, one hundred sixty-one million, thirty-seven thousand, five hundred seventy-two".