61603384946688 has 156 divisors (see below), whose sum is σ = 191631581497720. Its totient is φ = 18954887528448.

The previous prime is 61603384946669. The next prime is 61603384946729. The reversal of 61603384946688 is 88664948330616.

61603384946688 is a `hidden beast` number, since 6 + 1 + 6 + 0 + 3 + 3 + 84 + 9 + 466 + 88 = 666.

It is a tau number, because it is divible by the number of its divisors (156).

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 63793798 + ... + 64752261.

Almost surely, 2^{61603384946688} is an apocalyptic number.

It is an amenable number.

61603384946688 is an abundant number, since it is smaller than the sum of its proper divisors (130028196551032).

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

61603384946688 is a wasteful number, since it uses less digits than its factorization.

61603384946688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128546102 (or 128546077 counting only the distinct ones).

The product of its (nonzero) digits is 859963392, while the sum is 72.

The spelling of 61603384946688 in words is "sixty-one trillion, six hundred three billion, three hundred eighty-four million, nine hundred forty-six thousand, six hundred eighty-eight".