61621106162 has 32 divisors (see below), whose sum is σ = 116380485504. Its totient is φ = 23770512000.

The previous prime is 61621106161. The next prime is 61621106171. The reversal of 61621106162 is 26160112616.

It is not an unprimeable number, because it can be changed into a prime (61621106161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1965323 + ... + 1996430.

It is an arithmetic number, because the mean of its divisors is an integer number (3636890172).

Almost surely, 2^61621106162 is an apocalyptic number.

61621106162 is a deficient number, since it is larger than the sum of its proper divisors (54759379342).

61621106162 is a wasteful number, since it uses less digits than its factorization.

61621106162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3961874.

The product of its (nonzero) digits is 5184, while the sum is 32.

Adding to 61621106162 its reverse (26160112616), we get a palindrome (87781218778).

The spelling of 61621106162 in words is "sixty-one billion, six hundred twenty-one million, one hundred six thousand, one hundred sixty-two".