163634215152 has 40 divisors (see below), whose sum is σ = 432552465664. Its totient is φ = 53276255424.

The previous prime is 163634215127. The next prime is 163634215169. The reversal of 163634215152 is 251512436361.

It is a happy number.

It is a super-2 number, since 2×163634215152² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 163634215152.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39638008 + ... + 39642135.

Almost surely, 2^163634215152 is an apocalyptic number.

163634215152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

163634215152 is an abundant number, since it is smaller than the sum of its proper divisors (268918250512).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

163634215152 is a wasteful number, since it uses less digits than its factorization.

163634215152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79280197 (or 79280191 counting only the distinct ones).

The product of its digits is 129600, while the sum is 39.

The spelling of 163634215152 in words is "one hundred sixty-three billion, six hundred thirty-four million, two hundred fifteen thousand, one hundred fifty-two".