197552642 has 16 divisors (see below), whose sum is σ = 339300672. Its totient is φ = 84505680.

The previous prime is 197552627. The next prime is 197552647. The reversal of 197552642 is 246255791.

It is a super-2 number, since 2×197552642² = 78054092722360328, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 197552642.

It is not an unprimeable number, because it can be changed into a prime (197552647) 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, 5468 + ... + 20615.

It is an arithmetic number, because the mean of its divisors is an integer number (21206292).

Almost surely, 2^197552642 is an apocalyptic number.

197552642 is a deficient number, since it is larger than the sum of its proper divisors (141748030).

197552642 is a wasteful number, since it uses less digits than its factorization.

197552642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26633.

The product of its digits is 151200, while the sum is 41.

The square root of 197552642 is about 14055.3421160781. The cubic root of 197552642 is about 582.4083784500.

The spelling of 197552642 in words is "one hundred ninety-seven million, five hundred fifty-two thousand, six hundred forty-two".