157623503753 has 8 divisors (see below), whose sum is σ = 166959295272. Its totient is φ = 148294803456.

The previous prime is 157623503729. The next prime is 157623503759. The reversal of 157623503753 is 357305326751.

157623503753 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 4 ways, for example, as 87587586304 + 70035917449 = 295952^2 + 264643^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-157623503753 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 157623503698 and 157623503707.

It is not an unprimeable number, because it can be changed into a prime (157623503759) 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, 1727000 + ... + 1815977.

It is an arithmetic number, because the mean of its divisors is an integer number (20869911909).

Almost surely, 2^157623503753 is an apocalyptic number.

It is an amenable number.

157623503753 is a deficient number, since it is larger than the sum of its proper divisors (9335791519).

157623503753 is a wasteful number, since it uses less digits than its factorization.

157623503753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3545611.

The product of its (nonzero) digits is 1984500, while the sum is 47.

The spelling of 157623503753 in words is "one hundred fifty-seven billion, six hundred twenty-three million, five hundred three thousand, seven hundred fifty-three".