157440166271755 has 8 divisors (see below), whose sum is σ = 189316142443872. Its totient is φ = 125693504405568.

The previous prime is 157440166271747. The next prime is 157440166271881. The reversal of 157440166271755 is 557172661044751.

157440166271755 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 157440166271755 - 2³ = 157440166271747 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 157440166271693 and 157440166271702.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32328573802 + ... + 32328578671.

It is an arithmetic number, because the mean of its divisors is an integer number (23664517805484).

Almost surely, 2^{157440166271755} is an apocalyptic number.

157440166271755 is a deficient number, since it is larger than the sum of its proper divisors (31875976172117).

157440166271755 is an equidigital number, since it uses as much as digits as its factorization.

157440166271755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64657152965.

The product of its (nonzero) digits is 49392000, while the sum is 61.

The spelling of 157440166271755 in words is "one hundred fifty-seven trillion, four hundred forty billion, one hundred sixty-six million, two hundred seventy-one thousand, seven hundred fifty-five".