1617361421203 has 32 divisors (see below), whose sum is σ = 1795777594560. Its totient is φ = 1444439592960.

The previous prime is 1617361421183. The next prime is 1617361421209. The reversal of 1617361421203 is 3021241637161.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1617361421203 - 2³⁷ = 1479922467731 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1617361421209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 115279993 + ... + 115294021.

It is an arithmetic number, because the mean of its divisors is an integer number (56118049830).

Almost surely, 2^{1617361421203} is an apocalyptic number.

1617361421203 is a deficient number, since it is larger than the sum of its proper divisors (178416173357).

1617361421203 is a wasteful number, since it uses less digits than its factorization.

1617361421203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14967.

The product of its (nonzero) digits is 36288, while the sum is 37.

The spelling of 1617361421203 in words is "one trillion, six hundred seventeen billion, three hundred sixty-one million, four hundred twenty-one thousand, two hundred three".