161516500467 has 16 divisors (see below), whose sum is σ = 246149720832. Its totient is φ = 92284140960.

The previous prime is 161516500459. The next prime is 161516500499. The reversal of 161516500467 is 764005615161.

It is a happy number.

It is not a de Polignac number, because 161516500467 - 2³ = 161516500459 is a prime.

It is a super-2 number, since 2×161516500467² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (161516500267) 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, 276384 + ... + 631997.

It is an arithmetic number, because the mean of its divisors is an integer number (15384357552).

Almost surely, 2^161516500467 is an apocalyptic number.

161516500467 is a deficient number, since it is larger than the sum of its proper divisors (84633220365).

161516500467 is an equidigital number, since it uses as much as digits as its factorization.

161516500467 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 916858.

The product of its (nonzero) digits is 151200, while the sum is 42.

The spelling of 161516500467 in words is "one hundred sixty-one billion, five hundred sixteen million, five hundred thousand, four hundred sixty-seven".