161064652103 has 4 divisors (see below), whose sum is σ = 168067463088. Its totient is φ = 154061841120.

The previous prime is 161064652097. The next prime is 161064652127. The reversal of 161064652103 is 301256460161.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 301256460161 = 17959 ⋅16774679.

It is a cyclic number.

It is not a de Polignac number, because 161064652103 - 2¹⁰ = 161064651079 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 (161064652303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3501405458 + ... + 3501405503.

It is an arithmetic number, because the mean of its divisors is an integer number (42016865772).

Almost surely, 2^161064652103 is an apocalyptic number.

161064652103 is a deficient number, since it is larger than the sum of its proper divisors (7002810985).

161064652103 is an equidigital number, since it uses as much as digits as its factorization.

161064652103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7002810984.

The product of its (nonzero) digits is 25920, while the sum is 35.

The spelling of 161064652103 in words is "one hundred sixty-one billion, sixty-four million, six hundred fifty-two thousand, one hundred three".