157667222352 has 80 divisors (see below), whose sum is σ = 425373452928. Its totient is φ = 50228428800.

The previous prime is 157667222341. The next prime is 157667222357. The reversal of 157667222352 is 253222766751.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157667222357) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1266448 + ... + 1385360.

Almost surely, 2^157667222352 is an apocalyptic number.

157667222352 is a gapful number since it is divisible by the number (12) 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 157667222352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (212686726464).

157667222352 is an abundant number, since it is smaller than the sum of its proper divisors (267706230576).

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

157667222352 is a wasteful number, since it uses less digits than its factorization.

157667222352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120148 (or 120142 counting only the distinct ones).

The product of its digits is 2116800, while the sum is 48.

The spelling of 157667222352 in words is "one hundred fifty-seven billion, six hundred sixty-seven million, two hundred twenty-two thousand, three hundred fifty-two".