161456416098622 has 4 divisors (see below), whose sum is σ = 242184624147936. Its totient is φ = 80728208049310.

The previous prime is 161456416098583. The next prime is 161456416098629. The reversal of 161456416098622 is 226890614654161.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×161456416098622² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161456416098629) 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 as a sum of consecutive naturals, namely, 40364104024654 + ... + 40364104024657.

It is an arithmetic number, because the mean of its divisors is an integer number (60546156036984).

Almost surely, 2^{161456416098622} is an apocalyptic number.

161456416098622 is a deficient number, since it is larger than the sum of its proper divisors (80728208049314).

161456416098622 is an equidigital number, since it uses as much as digits as its factorization.

161456416098622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80728208049313.

The product of its (nonzero) digits is 29859840, while the sum is 61.

The spelling of 161456416098622 in words is "one hundred sixty-one trillion, four hundred fifty-six billion, four hundred sixteen million, ninety-eight thousand, six hundred twenty-two".