61196157 has 24 divisors (see below), whose sum is σ = 98074080. Its totient is φ = 36456480.

The previous prime is 61196153. The next prime is 61196159. The reversal of 61196157 is 75169116.

It is a happy number.

It is not a de Polignac number, because 61196157 - 2² = 61196153 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61196153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 603 + ... + 11079.

It is an arithmetic number, because the mean of its divisors is an integer number (4086420).

Almost surely, 2^61196157 is an apocalyptic number.

It is an amenable number.

61196157 is a deficient number, since it is larger than the sum of its proper divisors (36877923).

61196157 is a wasteful number, since it uses less digits than its factorization.

61196157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10553 (or 10550 counting only the distinct ones).

The product of its digits is 11340, while the sum is 36.

The square root of 61196157 is about 7822.7972618495. The cubic root of 61196157 is about 394.0712184555.

The spelling of 61196157 in words is "sixty-one million, one hundred ninety-six thousand, one hundred fifty-seven".