2061213167045 has 16 divisors (see below), whose sum is σ = 2564446230000. Its totient is φ = 1588563529728.

The previous prime is 2061213167023. The next prime is 2061213167071. The reversal of 2061213167045 is 5407613121602.

It can be written as a sum of positive squares in 8 ways, for example, as 4447022596 + 2056766144449 = 66686^2 + 1434143^2 .

It is a cyclic number.

It is not a de Polignac number, because 2061213167045 - 2¹² = 2061213162949 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15764810 + ... + 15895019.

It is an arithmetic number, because the mean of its divisors is an integer number (160277889375).

Almost surely, 2^{2061213167045} is an apocalyptic number.

It is an amenable number.

2061213167045 is a deficient number, since it is larger than the sum of its proper divisors (503233062955).

2061213167045 is a wasteful number, since it uses less digits than its factorization.

2061213167045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31660312.

The product of its (nonzero) digits is 60480, while the sum is 38.

Adding to 2061213167045 its reverse (5407613121602), we get a palindrome (7468826288647).

The spelling of 2061213167045 in words is "two trillion, sixty-one billion, two hundred thirteen million, one hundred sixty-seven thousand, forty-five".