157770858222720 has 768 divisors, whose sum is σ = 566704817078400. Its totient is φ = 41944069472256.

The previous prime is 157770858222707. The next prime is 157770858222739. The reversal of 157770858222720 is 27222858077751.

It is a happy number.

157770858222720 is a `hidden beast` number, since 1 + 5 + 7 + 7 + 7 + 0 + 8 + 582 + 2 + 27 + 20 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 132915633967 + ... + 132915635153.

Almost surely, 2^{157770858222720} is an apocalyptic number.

157770858222720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 157770858222720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (283352408539200).

157770858222720 is an abundant number, since it is smaller than the sum of its proper divisors (408933958855680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

157770858222720 is a wasteful number, since it uses less digits than its factorization.

157770858222720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3107 (or 3083 counting only the distinct ones).

The product of its (nonzero) digits is 61465600, while the sum is 63.

The spelling of 157770858222720 in words is "one hundred fifty-seven trillion, seven hundred seventy billion, eight hundred fifty-eight million, two hundred twenty-two thousand, seven hundred twenty".