60161557642 has 4 divisors (see below), whose sum is σ = 90242336466. Its totient is φ = 30080778820.

The previous prime is 60161557619. The next prime is 60161557663. The reversal of 60161557642 is 24675516106.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 58869802161 + 1291755481 = 242631^2 + 35941^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15040389409 + ... + 15040389412.

Almost surely, 2^60161557642 is an apocalyptic number.

60161557642 is a deficient number, since it is larger than the sum of its proper divisors (30080778824).

60161557642 is a wasteful number, since it uses less digits than its factorization.

60161557642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30080778823.

The product of its (nonzero) digits is 302400, while the sum is 43.

The spelling of 60161557642 in words is "sixty billion, one hundred sixty-one million, five hundred fifty-seven thousand, six hundred forty-two".