61233661622 has 32 divisors (see below), whose sum is σ = 112207624704. Its totient is φ = 24489748800.

The previous prime is 61233661579. The next prime is 61233661637. The reversal of 61233661622 is 22616633216.

It is a happy number.

It is a super-2 number, since 2×61233661622² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2305904 + ... + 2332307.

It is an arithmetic number, because the mean of its divisors is an integer number (3506488272).

Almost surely, 2^61233661622 is an apocalyptic number.

61233661622 is a deficient number, since it is larger than the sum of its proper divisors (50973963082).

61233661622 is a wasteful number, since it uses less digits than its factorization.

61233661622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4638284.

The product of its digits is 93312, while the sum is 38.

The spelling of 61233661622 in words is "sixty-one billion, two hundred thirty-three million, six hundred sixty-one thousand, six hundred twenty-two".