16081712474 has 4 divisors (see below), whose sum is σ = 24122568714. Its totient is φ = 8040856236.

The previous prime is 16081712431. The next prime is 16081712497. The reversal of 16081712474 is 47421718061.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 47421718061 = 101 ⋅469521961.

It can be written as a sum of positive squares in only one way, i.e., 9981009025 + 6100703449 = 99905^2 + 78107^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4020428117 + ... + 4020428120.

Almost surely, 2^16081712474 is an apocalyptic number.

16081712474 is a deficient number, since it is larger than the sum of its proper divisors (8040856240).

16081712474 is an equidigital number, since it uses as much as digits as its factorization.

16081712474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8040856239.

The product of its (nonzero) digits is 75264, while the sum is 41.

The spelling of 16081712474 in words is "sixteen billion, eighty-one million, seven hundred twelve thousand, four hundred seventy-four".