161374047 has 8 divisors (see below), whose sum is σ = 227822256. Its totient is φ = 101254272.

The previous prime is 161374043. The next prime is 161374061. The reversal of 161374047 is 740473161.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 161374047 - 2² = 161374043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 161373999 and 161374017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161374043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1582048 + ... + 1582149.

It is an arithmetic number, because the mean of its divisors is an integer number (28477782).

Almost surely, 2^161374047 is an apocalyptic number.

161374047 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

161374047 is a deficient number, since it is larger than the sum of its proper divisors (66448209).

161374047 is a wasteful number, since it uses less digits than its factorization.

161374047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3164217.

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 161374047 is about 12703.3085060546. The cubic root of 161374047 is about 544.4331530245.

The spelling of 161374047 in words is "one hundred sixty-one million, three hundred seventy-four thousand, forty-seven".