161054465351 has 4 divisors (see below), whose sum is σ = 173443270392. Its totient is φ = 148665660312.

The previous prime is 161054465293. The next prime is 161054465387. The reversal of 161054465351 is 153564450161.

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

It is not a de Polignac number, because 161054465351 - 2²² = 161050271047 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 161054465299 and 161054465308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161054465051) 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, 6194402501 + ... + 6194402526.

It is an arithmetic number, because the mean of its divisors is an integer number (43360817598).

Almost surely, 2^161054465351 is an apocalyptic number.

161054465351 is a deficient number, since it is larger than the sum of its proper divisors (12388805041).

161054465351 is a wasteful number, since it uses less digits than its factorization.

161054465351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12388805040.

The product of its (nonzero) digits is 216000, while the sum is 41.

The spelling of 161054465351 in words is "one hundred sixty-one billion, fifty-four million, four hundred sixty-five thousand, three hundred fifty-one".