61960928653548 has 18 divisors (see below), whose sum is σ = 156623458541004. Its totient is φ = 20653642884504.

The previous prime is 61960928653541. The next prime is 61960928653549. The reversal of 61960928653548 is 84535682906916.

It is a happy number.

61960928653548 is a `hidden beast` number, since 6 + 1 + 9 + 6 + 0 + 9 + 2 + 86 + 535 + 4 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×61960928653548² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (61960928653541) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 860568453486 + ... + 860568453557.

It is an arithmetic number, because the mean of its divisors is an integer number (8701303252278).

Almost surely, 2^{61960928653548} is an apocalyptic number.

It is an amenable number.

61960928653548 is an abundant number, since it is smaller than the sum of its proper divisors (94662529887456).

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

61960928653548 is a wasteful number, since it uses less digits than its factorization.

61960928653548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1721136907053 (or 1721136907048 counting only the distinct ones).

The product of its (nonzero) digits is 671846400, while the sum is 72.

The spelling of 61960928653548 in words is "sixty-one trillion, nine hundred sixty billion, nine hundred twenty-eight million, six hundred fifty-three thousand, five hundred forty-eight".