157756666204454 has 8 divisors (see below), whose sum is σ = 239293819523880. Its totient is φ = 77992059696496.

The previous prime is 157756666204441. The next prime is 157756666204469. The reversal of 157756666204454 is 454402666657751.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 443136702644 + ... + 443136702999.

It is an arithmetic number, because the mean of its divisors is an integer number (29911727440485).

Almost surely, 2^{157756666204454} is an apocalyptic number.

157756666204454 is a deficient number, since it is larger than the sum of its proper divisors (81537153319426).

157756666204454 is an equidigital number, since it uses as much as digits as its factorization.

157756666204454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 886273405734.

The product of its (nonzero) digits is 1016064000, while the sum is 68.

The spelling of 157756666204454 in words is "one hundred fifty-seven trillion, seven hundred fifty-six billion, six hundred sixty-six million, two hundred four thousand, four hundred fifty-four".