4721161403536 has 10 divisors (see below), whose sum is σ = 9147250219382. Its totient is φ = 2360580701760.

The previous prime is 4721161403477. The next prime is 4721161403549. The reversal of 4721161403536 is 6353041611274.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 4655237760000 + 65923643536 = 2157600^2 + 256756^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4721161403492 and 4721161403501.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 147536293845 + ... + 147536293876.

Almost surely, 2^{4721161403536} is an apocalyptic number.

It is an amenable number.

4721161403536 is a deficient number, since it is larger than the sum of its proper divisors (4426088815846).

4721161403536 is a wasteful number, since it uses less digits than its factorization.

4721161403536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295072587729 (or 295072587723 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 43.

The spelling of 4721161403536 in words is "four trillion, seven hundred twenty-one billion, one hundred sixty-one million, four hundred three thousand, five hundred thirty-six".