163151025654523 has 64 divisors (see below), whose sum is σ = 168891704239104. Its totient is φ = 157550184000000.

The previous prime is 163151025654521. The next prime is 163151025654553. The reversal of 163151025654523 is 325456520151361.

It is a cyclic number.

It is not a de Polignac number, because 163151025654523 - 2¹ = 163151025654521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (163151025654521) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 238874122140 + ... + 238874122822.

It is an arithmetic number, because the mean of its divisors is an integer number (2638932878736).

Almost surely, 2^{163151025654523} is an apocalyptic number.

163151025654523 is a deficient number, since it is larger than the sum of its proper divisors (5740678584581).

163151025654523 is a wasteful number, since it uses less digits than its factorization.

163151025654523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1796.

The product of its (nonzero) digits is 3240000, while the sum is 49.

The spelling of 163151025654523 in words is "one hundred sixty-three trillion, one hundred fifty-one billion, twenty-five million, six hundred fifty-four thousand, five hundred twenty-three".