61603563354 has 64 divisors (see below), whose sum is σ = 131084110080. Its totient is φ = 19260426240.

The previous prime is 61603563347. The next prime is 61603563361. The reversal of 61603563354 is 45336530616.

It is an interprime number because it is at equal distance from previous prime (61603563347) and next prime (61603563361).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1437964 + ... + 1480184.

It is an arithmetic number, because the mean of its divisors is an integer number (2048189220).

Almost surely, 2^61603563354 is an apocalyptic number.

61603563354 is an abundant number, since it is smaller than the sum of its proper divisors (69480546726).

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

61603563354 is a wasteful number, since it uses less digits than its factorization.

61603563354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42455.

The product of its (nonzero) digits is 583200, while the sum is 42.

The spelling of 61603563354 in words is "sixty-one billion, six hundred three million, five hundred sixty-three thousand, three hundred fifty-four".