157156617074 has 8 divisors (see below), whose sum is σ = 235748487900. Its totient is φ = 78573787776.

The previous prime is 157156617067. The next prime is 157156617089. The reversal of 157156617074 is 470716651751.

157156617074 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 157019610049 + 137007025 = 396257^2 + 11705^2 .

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

It is a Curzon number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2216759 + ... + 2286554.

Almost surely, 2^157156617074 is an apocalyptic number.

157156617074 is a deficient number, since it is larger than the sum of its proper divisors (78591870826).

157156617074 is a wasteful number, since it uses less digits than its factorization.

157156617074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4520764.

The product of its (nonzero) digits is 1234800, while the sum is 50.

The spelling of 157156617074 in words is "one hundred fifty-seven billion, one hundred fifty-six million, six hundred seventeen thousand, seventy-four".