633161005533442 has 16 divisors (see below), whose sum is σ = 961267298235552. Its totient is φ = 312756824237760.

The previous prime is 633161005533373. The next prime is 633161005533479. The reversal of 633161005533442 is 244335500161336.

It is a junction number, because it is equal to n+sod(n) for n = 633161005533392 and 633161005533401.

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, 4562792784 + ... + 4562931547.

It is an arithmetic number, because the mean of its divisors is an integer number (60079206139722).

Almost surely, 2^{633161005533442} is an apocalyptic number.

633161005533442 is a deficient number, since it is larger than the sum of its proper divisors (328106292702110).

633161005533442 is a wasteful number, since it uses less digits than its factorization.

633161005533442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9125724753.

The product of its (nonzero) digits is 2332800, while the sum is 46.

Adding to 633161005533442 its reverse (244335500161336), we get a palindrome (877496505694778).

The spelling of 633161005533442 in words is "six hundred thirty-three trillion, one hundred sixty-one billion, five million, five hundred thirty-three thousand, four hundred forty-two".