2170152042057 has 12 divisors (see below), whose sum is σ = 3134693558724. Its totient is φ = 1446754413600.

The previous prime is 2170152042029. The next prime is 2170152042077. The reversal of 2170152042057 is 7502402510712.

2170152042057 is a `hidden beast` number, since 2 + 170 + 15 + 2 + 0 + 420 + 57 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 559547384841 + 1610604657216 = 748029^2 + 1269096^2 .

It is not a de Polignac number, because 2170152042057 - 2⁷ = 2170152041929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2170152042077) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 72694 + ... + 2084607.

It is an arithmetic number, because the mean of its divisors is an integer number (261224463227).

Almost surely, 2^{2170152042057} is an apocalyptic number.

It is an amenable number.

2170152042057 is a deficient number, since it is larger than the sum of its proper divisors (964541516667).

2170152042057 is a wasteful number, since it uses less digits than its factorization.

2170152042057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2269080 (or 2269077 counting only the distinct ones).

The product of its (nonzero) digits is 39200, while the sum is 36.

Adding to 2170152042057 its reverse (7502402510712), we get a palindrome (9672554552769).

The spelling of 2170152042057 in words is "two trillion, one hundred seventy billion, one hundred fifty-two million, forty-two thousand, fifty-seven".