402601161073 has 4 divisors (see below), whose sum is σ = 402710656500. Its totient is φ = 402491665648.

The previous prime is 402601161071. The next prime is 402601161139. The reversal of 402601161073 is 370161106204.

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

It can be written as a sum of positive squares in 2 ways, for example, as 353747784289 + 48853376784 = 594767^2 + 221028^2 .

It is a cyclic number.

It is not a de Polignac number, because 402601161073 - 2¹ = 402601161071 is a prime.

It is a super-2 number, since 2×402601161073² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (402601161071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54742198 + ... + 54749551.

It is an arithmetic number, because the mean of its divisors is an integer number (100677664125).

Almost surely, 2^402601161073 is an apocalyptic number.

It is an amenable number.

402601161073 is a deficient number, since it is larger than the sum of its proper divisors (109495427).

402601161073 is a wasteful number, since it uses less digits than its factorization.

402601161073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109495426.

The product of its (nonzero) digits is 6048, while the sum is 31.

Adding to 402601161073 its reverse (370161106204), we get a palindrome (772762267277).

The spelling of 402601161073 in words is "four hundred two billion, six hundred one million, one hundred sixty-one thousand, seventy-three".