157770664955 has 8 divisors (see below), whose sum is σ = 191605820112. Its totient is φ = 124695850528.

The previous prime is 157770664939. The next prime is 157770665057. The reversal of 157770664955 is 559466077751.

It is a happy number.

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 157770664955 - 2⁴ = 157770664939 is a prime.

It is a Duffinian number.

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, 190084724 + ... + 190085553.

It is an arithmetic number, because the mean of its divisors is an integer number (23950727514).

Almost surely, 2^157770664955 is an apocalyptic number.

157770664955 is a deficient number, since it is larger than the sum of its proper divisors (33835155157).

157770664955 is an equidigital number, since it uses as much as digits as its factorization.

157770664955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380170365.

The product of its (nonzero) digits is 55566000, while the sum is 62.

The spelling of 157770664955 in words is "one hundred fifty-seven billion, seven hundred seventy million, six hundred sixty-four thousand, nine hundred fifty-five".