162672502081 has 2 divisors, whose sum is σ = 162672502082. Its totient is φ = 162672502080.

The previous prime is 162672502037. The next prime is 162672502117. The reversal of 162672502081 is 180205276261.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 86441292081 + 76231210000 = 294009^2 + 276100^2 .

It is a cyclic number.

It is not a de Polignac number, because 162672502081 - 2¹¹ = 162672500033 is a prime.

It is a super-4 number, since 4×162672502081⁴ (a number of 46 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (162672502001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81336251040 + 81336251041.

It is an arithmetic number, because the mean of its divisors is an integer number (81336251041).

Almost surely, 2^162672502081 is an apocalyptic number.

It is an amenable number.

162672502081 is a deficient number, since it is larger than the sum of its proper divisors (1).

162672502081 is an equidigital number, since it uses as much as digits as its factorization.

162672502081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80640, while the sum is 40.

The spelling of 162672502081 in words is "one hundred sixty-two billion, six hundred seventy-two million, five hundred two thousand, eighty-one".