61707105152 has 64 divisors (see below), whose sum is σ = 153266048640. Its totient is φ = 24041725440.

The previous prime is 61707105101. The next prime is 61707105221. The reversal of 61707105152 is 25150170716.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3120578 + ... + 3140289.

It is an arithmetic number, because the mean of its divisors is an integer number (2394782010).

Almost surely, 2^61707105152 is an apocalyptic number.

It is an amenable number.

61707105152 is an abundant number, since it is smaller than the sum of its proper divisors (91558943488).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61707105152 is a wasteful number, since it uses less digits than its factorization.

61707105152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6260899 (or 6260887 counting only the distinct ones).

The product of its (nonzero) digits is 14700, while the sum is 35.

Adding to 61707105152 its reverse (25150170716), we get a palindrome (86857275868).

The spelling of 61707105152 in words is "sixty-one billion, seven hundred seven million, one hundred five thousand, one hundred fifty-two".