61603753404 has 24 divisors (see below), whose sum is σ = 147084931840. Its totient is φ = 20057035824.

The previous prime is 61603753399. The next prime is 61603753457. The reversal of 61603753404 is 40435730616.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59693044 + ... + 59694075.

Almost surely, 2^61603753404 is an apocalyptic number.

It is an amenable number.

61603753404 is an abundant number, since it is smaller than the sum of its proper divisors (85481178436).

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

61603753404 is a wasteful number, since it uses less digits than its factorization.

61603753404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119387169 (or 119387167 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 39.

The spelling of 61603753404 in words is "sixty-one billion, six hundred three million, seven hundred fifty-three thousand, four hundred four".