61765655532070 has 64 divisors (see below), whose sum is σ = 127801860341760. Its totient is φ = 21053295013248.

The previous prime is 61765655532041. The next prime is 61765655532073. The reversal of 61765655532070 is 7023555656716.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 61765655531996 and 61765655532014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61765655532073) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 253449499 + ... + 253693081.

It is an arithmetic number, because the mean of its divisors is an integer number (1996904067840).

Almost surely, 2^{61765655532070} is an apocalyptic number.

61765655532070 is an abundant number, since it is smaller than the sum of its proper divisors (66036204809690).

61765655532070 is a wasteful number, since it uses less digits than its factorization.

61765655532070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264709.

The product of its (nonzero) digits is 39690000, while the sum is 58.

The spelling of 61765655532070 in words is "sixty-one trillion, seven hundred sixty-five billion, six hundred fifty-five million, five hundred thirty-two thousand, seventy".