197156030 has 16 divisors (see below), whose sum is σ = 355181760. Its totient is φ = 78795552.

The previous prime is 197155999. The next prime is 197156041. The reversal of 197156030 is 30651791.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5051 + ... + 20489.

It is an arithmetic number, because the mean of its divisors is an integer number (22198860).

Almost surely, 2^197156030 is an apocalyptic number.

197156030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

197156030 is a deficient number, since it is larger than the sum of its proper divisors (158025730).

197156030 is a wasteful number, since it uses less digits than its factorization.

197156030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16723.

The product of its (nonzero) digits is 5670, while the sum is 32.

The square root of 197156030 is about 14041.2260860653. The cubic root of 197156030 is about 582.0183644217.

The spelling of 197156030 in words is "one hundred ninety-seven million, one hundred fifty-six thousand, thirty".