163522663402 has 32 divisors (see below), whose sum is σ = 281459994624. Its totient is φ = 69797473200.

The previous prime is 163522663379. The next prime is 163522663427. The reversal of 163522663402 is 204366225361.

It is a super-2 number, since 2×163522663402² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13815627 + ... + 13827457.

It is an arithmetic number, because the mean of its divisors is an integer number (8795624832).

Almost surely, 2^163522663402 is an apocalyptic number.

163522663402 is a deficient number, since it is larger than the sum of its proper divisors (117937331222).

163522663402 is a wasteful number, since it uses less digits than its factorization.

163522663402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15754.

The product of its (nonzero) digits is 311040, while the sum is 40.

Adding to 163522663402 its reverse (204366225361), we get a palindrome (367888888763).

The spelling of 163522663402 in words is "one hundred sixty-three billion, five hundred twenty-two million, six hundred sixty-three thousand, four hundred two".