161441546460415 has 16 divisors (see below), whose sum is σ = 220904631900288. Its totient is φ = 112205527312896.

The previous prime is 161441546460371. The next prime is 161441546460473. The reversal of 161441546460415 is 514064645144161.

It is a cyclic number.

It is not a de Polignac number, because 161441546460415 - 2⁷ = 161441546460287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73050472407 + ... + 73050474616.

It is an arithmetic number, because the mean of its divisors is an integer number (13806539493768).

Almost surely, 2^{161441546460415} is an apocalyptic number.

161441546460415 is a deficient number, since it is larger than the sum of its proper divisors (59463085439873).

161441546460415 is a wasteful number, since it uses less digits than its factorization.

161441546460415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146100947058.

The product of its (nonzero) digits is 5529600, while the sum is 52.

The spelling of 161441546460415 in words is "one hundred sixty-one trillion, four hundred forty-one billion, five hundred forty-six million, four hundred sixty thousand, four hundred fifteen".