1603115564164 has 27 divisors (see below), whose sum is σ = 2816659648677. Its totient is φ = 798368370384.

The previous prime is 1603115564147. The next prime is 1603115564173. The reversal of 1603115564164 is 4614655113061.

It is a happy number.

The square root of 1603115564164 is 1266142.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1275024888900 + 328090675264 = 1129170^2 + 572792^2 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1603115564164.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 716635254 + ... + 716637490.

Almost surely, 2^{1603115564164} is an apocalyptic number.

1603115564164 is the 1266142-nd square number.

It is an amenable number.

1603115564164 is a deficient number, since it is larger than the sum of its proper divisors (1213544084513).

1603115564164 is an frugal number, since it uses more digits than its factorization.

1603115564164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5044 (or 2522 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 43.

The spelling of 1603115564164 in words is "one trillion, six hundred three billion, one hundred fifteen million, five hundred sixty-four thousand, one hundred sixty-four".