163351137401402 has 16 divisors (see below), whose sum is σ = 247780446724800. Its totient is φ = 80757659838240.

The previous prime is 163351137401369. The next prime is 163351137401489. The reversal of 163351137401402 is 204104731153361.

It is a super-3 number, since 3×163351137401402³ (a number of 44 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 163351137401402.

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, 87832499 + ... + 89673017.

It is an arithmetic number, because the mean of its divisors is an integer number (15486277920300).

Almost surely, 2^{163351137401402} is an apocalyptic number.

163351137401402 is a deficient number, since it is larger than the sum of its proper divisors (84429309323398).

163351137401402 is a wasteful number, since it uses less digits than its factorization.

163351137401402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2339221.

The product of its (nonzero) digits is 181440, while the sum is 41.

Adding to 163351137401402 its reverse (204104731153361), we get a palindrome (367455868554763).

The spelling of 163351137401402 in words is "one hundred sixty-three trillion, three hundred fifty-one billion, one hundred thirty-seven million, four hundred one thousand, four hundred two".