161020153063 has 16 divisors (see below), whose sum is σ = 200776098816. Its totient is φ = 125455436640.

The previous prime is 161020153061. The next prime is 161020153069. The reversal of 161020153063 is 360351020161.

It is a cyclic number.

It is not a de Polignac number, because 161020153063 - 2¹ = 161020153061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161020153061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 557245 + ... + 795337.

It is an arithmetic number, because the mean of its divisors is an integer number (12548506176).

Almost surely, 2^161020153063 is an apocalyptic number.

161020153063 is a deficient number, since it is larger than the sum of its proper divisors (39755945753).

161020153063 is a wasteful number, since it uses less digits than its factorization.

161020153063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246894.

The product of its (nonzero) digits is 3240, while the sum is 28.

The spelling of 161020153063 in words is "one hundred sixty-one billion, twenty million, one hundred fifty-three thousand, sixty-three".