61624054142 has 24 divisors (see below), whose sum is σ = 107540278920. Its totient is φ = 26407216080.

The previous prime is 61624054139. The next prime is 61624054147. The reversal of 61624054142 is 24145042616.

It is a super-2 number, since 2×61624054142² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61624054147) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 934292 + ... + 998072.

It is an arithmetic number, because the mean of its divisors is an integer number (4480844955).

Almost surely, 2^61624054142 is an apocalyptic number.

61624054142 is a deficient number, since it is larger than the sum of its proper divisors (45916224778).

61624054142 is a wasteful number, since it uses less digits than its factorization.

61624054142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73656 (or 73649 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 35.

Adding to 61624054142 its reverse (24145042616), we get a palindrome (85769096758).

The spelling of 61624054142 in words is "sixty-one billion, six hundred twenty-four million, fifty-four thousand, one hundred forty-two".