74161608154 has 8 divisors (see below), whose sum is σ = 111455114400. Its totient is φ = 37009903356.

The previous prime is 74161608113. The next prime is 74161608173. The reversal of 74161608154 is 45180616147.

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

It is a self number, because there is not a number n which added to its sum of digits gives 74161608154.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35449054 + ... + 35451145.

It is an arithmetic number, because the mean of its divisors is an integer number (13931889300).

Almost surely, 2^74161608154 is an apocalyptic number.

74161608154 is a deficient number, since it is larger than the sum of its proper divisors (37293506246).

74161608154 is a wasteful number, since it uses less digits than its factorization.

74161608154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70900724.

The product of its (nonzero) digits is 161280, while the sum is 43.

The spelling of 74161608154 in words is "seventy-four billion, one hundred sixty-one million, six hundred eight thousand, one hundred fifty-four".