163934428051 has 8 divisors (see below), whose sum is σ = 164656872000. Its totient is φ = 163212288960.

The previous prime is 163934428043. The next prime is 163934428109. The reversal of 163934428051 is 150824439361.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 163934428051 - 2³ = 163934428043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 163934427992 and 163934428010.

It is not an unprimeable number, because it can be changed into a prime (163934428001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1037341 + ... + 1184881.

It is an arithmetic number, because the mean of its divisors is an integer number (20582109000).

Almost surely, 2^163934428051 is an apocalyptic number.

163934428051 is a deficient number, since it is larger than the sum of its proper divisors (722443949).

163934428051 is a wasteful number, since it uses less digits than its factorization.

163934428051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152429.

The product of its (nonzero) digits is 622080, while the sum is 46.

It can be divided in two parts, 16393 and 4428051, that added together give a palindrome (4444444).

The spelling of 163934428051 in words is "one hundred sixty-three billion, nine hundred thirty-four million, four hundred twenty-eight thousand, fifty-one".