61690370324378 has 16 divisors (see below), whose sum is σ = 93336022897920. Its totient is φ = 30578837889600.

The previous prime is 61690370324347. The next prime is 61690370324467. The reversal of 61690370324378 is 87342307309616.

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, 118539263 + ... + 119058546.

It is an arithmetic number, because the mean of its divisors is an integer number (5833501431120).

Almost surely, 2^{61690370324378} is an apocalyptic number.

61690370324378 is a deficient number, since it is larger than the sum of its proper divisors (31645652573542).

61690370324378 is a wasteful number, since it uses less digits than its factorization.

61690370324378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237598933.

The product of its (nonzero) digits is 27433728, while the sum is 59.

The spelling of 61690370324378 in words is "sixty-one trillion, six hundred ninety billion, three hundred seventy million, three hundred twenty-four thousand, three hundred seventy-eight".