157066062640 has 80 divisors (see below), whose sum is σ = 383028377472. Its totient is φ = 59827756032.

The previous prime is 157066062613. The next prime is 157066062649. The reversal of 157066062640 is 46260660751.

It is a happy number.

157066062640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (157066062649) 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 15 ways as a sum of consecutive naturals, for example, 425379 + ... + 703618.

Almost surely, 2^157066062640 is an apocalyptic number.

157066062640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

157066062640 is an abundant number, since it is smaller than the sum of its proper divisors (225962314832).

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

157066062640 is a wasteful number, since it uses less digits than its factorization.

157066062640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1129094 (or 1129088 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 43.

The spelling of 157066062640 in words is "one hundred fifty-seven billion, sixty-six million, sixty-two thousand, six hundred forty".