157642553446 has 16 divisors (see below), whose sum is σ = 270306936576. Its totient is φ = 67545454536.

The previous prime is 157642553423. The next prime is 157642553447. The reversal of 157642553446 is 644355246751.

It is a junction number, because it is equal to n+sod(n) for n = 157642553393 and 157642553402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157642553447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1240576 + ... + 1361731.

It is an arithmetic number, because the mean of its divisors is an integer number (16894183536).

Almost surely, 2^157642553446 is an apocalyptic number.

157642553446 is a deficient number, since it is larger than the sum of its proper divisors (112664383130).

157642553446 is a wasteful number, since it uses less digits than its factorization.

157642553446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2606643.

The product of its digits is 12096000, while the sum is 52.

The spelling of 157642553446 in words is "one hundred fifty-seven billion, six hundred forty-two million, five hundred fifty-three thousand, four hundred forty-six".