163006253621476 has 6 divisors (see below), whose sum is σ = 285260943837590. Its totient is φ = 81503126810736.

The previous prime is 163006253621389. The next prime is 163006253621479. The reversal of 163006253621476 is 674126352600361.

It is a happy number.

163006253621476 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 107492935694400 + 55513317927076 = 10367880^2 + 7450726^2 .

It is a super-4 number, since 4×163006253621476⁴ (a number of 58 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (163006253621479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20375781702681 + ... + 20375781702688.

Almost surely, 2^{163006253621476} is an apocalyptic number.

It is an amenable number.

163006253621476 is a deficient number, since it is larger than the sum of its proper divisors (122254690216114).

163006253621476 is a wasteful number, since it uses less digits than its factorization.

163006253621476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40751563405373 (or 40751563405371 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 52.

The spelling of 163006253621476 in words is "one hundred sixty-three trillion, six billion, two hundred fifty-three million, six hundred twenty-one thousand, four hundred seventy-six".